Weekly Update for 9/14 - 9/20/2009
9/15/09 ›
U.S. Army Corps of Engineers completed construction of a new one-acre mud core island for Caspian tern nesting in the Orems Unit at Lower Klamath NWR
9/14/09 ›
Last day of regular colony monitoring at Crump Lake tern island for 2009
Weekly Update for 9/7 - 9/13/2009
9/12/09 ›
U.S. Army Corps of Engineers completed construction of a new half-acre rock core tern nesting island in Gold Dike impoundment at Summer Lake Wildlife Area; this new island will serve as alternative Caspian tern nesting habitat when East Link impoundment is drained for periodic vegetation management
9/9/09 ›
Caspian tern decoys and audio playback systems removed from the East Link tern island at Summer Lake Wildlife Area; this completes field research on Caspian terns at the Summer Lake Wildlife Area for 2009
9/7/09 ›
High count during the week of 3 adult Caspian terns and 6 tern chicks on Crump Lake tern island; also counted on island were 13 double-crested cormorants, 3 Forster’s terns, and one spotted sandpiper
Weekly Update for 8/31 - 9/6/2009
9/3/09 ›
All Caspian terns have dispersed from the East Link tern island, Summer Lake Wildlife Area; 6 fledged or nearly fledged young terns were raised at the East Link tern island this season
9/2/09 ›
Caspian tern decoys and audio playback systems removed from the Dutchy Lake floating tern island, Summer Lake Wildlife Area
8/31/09 ›
Five adult Caspian terns and 2 fledglings on Dutchy Lake floating tern island, Summer Lake Wildlife Area; 11 young terns were raised at Dutchy Lake floating tern island this season; Caspian terns are only species that nested on Dutchy Lake island this season
8/31/09 ›
High count during the week of 9 adult Caspian terns and 21 tern chicks on Crump Lake tern island; also counted on island were 3 double-crested cormorants, one spotted sandpiper, and one juvenile California gull
Weekly Update for 8/24 - 8/30/2009
8/24 – 8/30/09 ›
High counts during the week of 37 adult Caspian terns and 49 tern chicks on Crump Lake tern island; also counted on island were 7 American white pelicans, 4 double-crested cormorants, 3 Forster’s terns, 2 ring-billed gulls, and 2 killdeer
8/24 – 8/30/09 ›
High count during the week of 7 adult Caspian terns, including one nearly fledged chick, on East Link Pond tern island, Summer Lake Wildlife Area; at least 12 tern eggs were laid this breeding season, producing 6 fledged or nearly fledged young terns at the East Link Pond tern island; also counted on the island were 4 double-crested cormorants and one yellow-headed blackbird
8/24 – 8/30/09 ›
High count during the week of 13 adult Caspian terns, including 3 fledglings, on Dutchy Lake floating tern island, Summer Lake Wildlife Area; a total of least 17 tern eggs were laid this breeding season, producing 11 fledged young at the Dutchy Lake floating tern island; a wide variety of other colonial waterbirds roosted on the island this week, but Caspian terns are the only species nesting on the Dutchy Lake floating island
8/28/09 ›
U.S. Army Corps of Engineers completed construction of a new two-acre rock core island for Caspian tern nesting in Sump 1B at Tule Lake NWR
8/28/09 ›
Survey of the East Link Pond tern island revealed a total of 16 owl pellets, 15 contained fur and bones and one contained downy feathers
8/28/09 ›
PIT tag recovery at piscivorous waterbird colonies on Clear Lake in northeastern California; nesting species include American white pelicans, double-crested cormorants, ring-billed gulls, California gulls, great blue herons, great egrets, and others; John Beckstrand (USFWS) assisted with PIT tag recovery
8/27/09 ›
PIT tag recovery at piscivorous waterbird colonies on Sheepy Lake in northeastern California; nesting species include American white pelicans and double-crested cormorants; Dave Mauser (USFWS) assisted with PIT tag recovery
Weekly Update for 8/17 - 8/23/2009
8/17 – 8/23/09 ›
High counts during the week of 191 adult Caspian terns and 76 tern chicks on Crump Lake tern island; the average number of adult terns counted on the island this week (40 terns) dropped dramatically compared to the previous week (249 terns); also counted on the island was one ring-billed gull
8/17 – 8/23/09 ›
High count during the week of 10 Caspian terns, including 4 active nesting pairs and 5 chicks, on East Link Pond tern island, Summer Lake Wildlife Area; also counted on island were one ring-billed gull, one California gull, and 12 double-crested cormorants
8/17 – 8/23/09 ›
High count during the week of 10 Caspian terns, including 3 chicks, on Dutchy Lake floating tern island, Summer Lake Wildlife Area; all of the surviving tern chicks have fledged, but some continue to use the island as a roost site
8/17 – 8/23/09 ›
So far during the 2009 nesting season, 48 color-banded Caspian terns have been re-sighted at the Crump Lake tern island and 13 have been re-sighted at the Summer Lake tern islands; over a third of these 61 banded terns were banded as either adults or chicks at the East Sand Island tern colony during 2001-2006; an adult Caspian tern banded on East Sand Island in 2005 and confirmed nesting there during 2006-09 was recently re-sighted at Crump Lake island
8/17/09 ›
Aerial survey of Upper Klamath, Lower Klamath, Tule Lake, and Clear Lake National Wildlife Refuges, northern Goose Lake, and Summer Lake Wildlife Area; checked sites of piscivorous waterbird colonies active in 2009 to determine occupancy
Weekly Update for 8/10 - 8/16/2009
8/10 – 8/16/09 ›
High counts during the week of 509 adult Caspian terns and 95 tern chicks on Crump Lake tern island; also counted on the island were one California gull and one double-crested cormorant
8/10 – 8/16/09 ›
High count during the week of 12 Caspian terns, including 5 active nesting pairs and 6 chicks, on East Link Pond tern island, Summer Lake Wildlife Area; also counted on island were 154 ring-billed gulls, 37 California gulls, 5 double-crested cormorants, 4 great egrets, and 1 great blue heron
8/10 – 8/16/09 ›
High count during the week of 23 Caspian terns, including 2 active nesting pairs and 3 chicks, on Dutchy Lake floating tern island, Summer Lake Wildlife Area; most of the 10 tern chicks raised on the island have fledged, and some are visiting the island post-fledging
8/10/09 ›
Installed additional video monitoring system at the Fern Ridge tern island; testing the feasibility of capturing live streaming video from bird colonies that can be viewed from any computer with internet access
Weekly Update for 8/3 - 8/9/2009
8/3 – 8/9/09 ›
During 2009, 43 color-banded Caspian terns have been re-sighted at the Crump Lake tern island and 13 have been re-sighted at the Summer Lake tern islands; about one third of these terns were banded as either adults or chicks at the East Sand Island tern colony during 2001-2006
8/3 – 8/9/09 ›
High counts during the week of 589 adult Caspian terns and 103 tern chicks on Crump Lake tern island; also counted on the island were 10 ring-billed gulls and 18 California gulls
8/3 – 8/9/09 ›
High count during the week of 16 Caspian terns, including 5 active nesting pairs and 6 chicks, on East Link Pond tern island, Summer Lake Wildlife Area; also counted on the island were 10 ring-billed gulls, 2 California gulls, and 7 double-crested cormorants
8/3 – 8/9/09 ›
High count during the week of 42 Caspian terns, including 7 active nesting pairs and 10 chicks, on Dutchy Lake floating tern island, Summer Lake Wildlife Area; Caspian terns are the only species nesting on the Dutchy Lake floating island
8/4/09 ›
83 Caspian tern chicks captured and banded at Crump Lake tern island
Weekly Update for 7/27 - 8/2/2009
8/2/09 ›
First Caspian tern fledgling observed at the Dutchy Lake floating tern island
7/27 – 8/2/09 ›
High count during the week of 742 Caspian terns, including 91 active nesting pairs and 86 chicks, on Crump Lake tern island; also counted on the island were 32 ring-billed gulls, 182 California gulls, and 19 double-crested cormorants
7/27 – 8/2/09 ›
High count during the week of 34 Caspian terns, including 6 active nesting pairs and 8 chicks, on East Link Pond tern island, Summer Lake Wildlife Area; also counted on the island were 152 ring-billed gulls, 24 California gulls, and 3 double-crested cormorants
7/27 – 8/2/09 ›
High count during the week of 56 Caspian terns, including 7 active nesting pairs and 9 chicks, on Dutchy Lake floating tern island, Summer Lake Wildlife Area; several tern chicks have died recently on Dutchy Lake island, apparently due to hyperthermia
7/29/09 ›
First Caspian tern fledgling observed at the Crump Lake tern island
Weekly Update for 7/20 - 7/26/2009
7/20 – 7/26/09 ›
High count during the week of Caspian tern nests on Crump Lake tern island was 160 nests, lower than previous week; also counted on the island were 32 ring-billed gulls, 230 California gulls, and 2 double-crested cormorants
7/20 – 7/26/09 ›
High count during the week of 10 Caspian terns, including 6 active nesting pairs and 6 chicks, on East Link Pond tern island, Summer Lake Wildlife Area
7/20 – 7/26/09 ›
High count during the week of 37 Caspian terns, including 7 active nesting pairs and 13 chicks, on Dutchy Lake floating tern island, Summer Lake Wildlife Area
7/24/09 ›
Video footage revealed that two hatch-year Caspian terns were preyed upon by a bald eagle at the Fern Ridge tern island
7/20/09 ›
Six Caspian terns were counted at the Fern Ridge tern island
Weekly Update for 7/13 - 7/19/2009
7/19/09 ›
First Caspian tern fledgling observed at East Link Pond tern island, Summer Lake Wildlife Area
7/13 – 7/19/09 ›
High count during the week of Caspian tern nests on Crump Lake tern island was 250 nests, lower than previous week; also counted on the island were 110 ring-billed gulls and 204 California gulls, a significant decline in the number of gulls on the island compared to previous weeks
7/13 – 7/19/09 ›
Seasonal high count of 33 Caspian terns, including 6 active nesting pairs and 4 chicks, on East Link Pond tern island, Summer Lake Wildlife Area; also counted on the island were as many as 824 ring-billed gulls and 99 California gulls, plus up to 43 roosting American white pelicans and 18 roosting double-crested cormorants
7/13 – 7/19/09 ›
High count during the week of 40 Caspian terns, including 7 active nesting pairs and 13 chicks, on Dutchy Lake floating tern island, Summer Lake Wildlife Area
7/13 – 7/19/09 ›
35 and 8 color-banded Caspian terns have been re-sighted at the Crump Lake and Summer Lake tern islands, respectively; 37% of these terns were banded as either adults or chicks at the East Sand Island tern colony during 2001-2006
Weekly Update for 7/6 - 7/12/2009
7/6 – 7/12/09 ›
High count during the week of Caspian tern nests on Crump Lake tern island was 317 nests, lower than previous week; also counted on the island were 990 ring-billed gulls, 1,106 California gulls, one double-crested cormorant, and one American white pelican; mortality rates of gull chicks tapered off; to date, no threatened Warner suckers have been observed among identified Caspian tern bill loads at the Crump Lake tern island
7/6 – 7/12/09 ›
High count during the week of 22 Caspian terns, including 6 active nesting pairs and 2 chicks, on East Link Pond tern island, Summer Lake Wildlife Area; also counted on the island were 210 active nesting pairs of ring-billed gulls (including 155 chicks) and 10 active nesting pairs of California gulls (including 5 chicks), plus up to 40 roosting double-crested cormorants and 13 roosting American white pelicans
7/6 – 7/12/09 ›
Seasonal high count of 42 Caspian terns, including 8 active nesting pairs and 13 chicks, on Dutchy Lake tern island, Summer Lake Wildlife Area; a wide variety of other colonial waterbirds roosted on the island this week, but Caspian terns are the only species nesting on the Dutchy Lake floating island
7/9/09 ›
Seasonal high count of 4 Caspian terns on the Fern Ridge tern island; these terns are presumably non-breeders or failed breeders that dispersed from other nesting colonies in the region; to date no nesting attempts by Caspian terns have been detected at the Fern Ridge tern island; one pair of killdeer nesting on island
7/7/09 ›
Road survey of Goose Lake near Lakeview, OR; 278 loafing and foraging Caspian terns counted, including one banded tern that was raising a chick on the Crump Lake tern island, 55 km away
7/7/09 ›
Installed new power supply for video surveillance system at Fern Ridge Reservoir tern island; the lower mandible of an adult Caspian tern found in the rock revetment around the island, suggestive of predation by a bald eagle
Weekly Update for 6/29 - 7/5/2009
6/29 – 7/5/09 ›
High count during the week of Caspian tern nests on Crump Lake tern island was 387 nests, much lower than the previous week; this is the third straight week of significant declines in the number of active tern nests on Crump Lake island; numbers of ring-billed gulls (812) on the island also down sharply; large numbers of dead gull chicks accumulating in the revetment around the island; suspected general food shortage for terns and gulls, potentially associated with drought in the Warner Valley
6/29 – 7/5/09 ›
Nest predation rates on Caspian tern eggs and chicks by California gulls at the Crump Lake tern island declined compared to previous weeks; no California gulls removed from the Crump Lake tern island during week (see below)
6/29 – 7/5/09 ›
High counts for the week of 28 Caspian terns (8 active nests), 703 ring-billed gulls (154 active nests), 29 California gulls (3 active nests), 27 roosting double-crested cormorants, and one roosting American white pelican on East Link Pond tern island, Summer Lake Wildlife Area
6/29 – 7/5/09 ›
High counts during the week of 14 Caspian terns (8 active nests), 14 roosting double-crested cormorants, 24 roosting Forster’s terns, 2 roosting great egrets, 2 roosting Franklin’s gulls, and one roosting gadwall on Dutchy Lake tern island, Summer Lake Wildlife Area
6/30/09 ›
Road survey of Goose Lake near Lakeview, OR; 208 loafing and foraging Caspian terns counted
Weekly Update for 6/22 - 6/28/2009
6/22 – 6/28/09 ›
High count during the week of Caspian tern nests on Crump Lake tern island was 491 nests, much lower than previous week; also counted on the island were 1,158 ring-billed gulls, 1,095 California gulls, and one double-crested cormorant
6/22 – 6/28/09 ›
High nest predation rates on tern eggs by California gulls at the Crump Lake tern island this week necessitated removal of problem gulls using firearms (under permit); 2 California gulls were removed
6/22 – 6/28/09 ›
33 and 4 color-banded Caspian terns have been resighted at the Crump Lake and Summer Lake tern islands, respectively; 37% of these terns were banded as either adults or chicks at the East Sand Island tern colony during 1999-2007
6/22 – 6/28/09 ›
High counts during the week of 16 Caspian terns (5 active nests), 564 ring-billed gulls, 31 California gulls, 2 avocets, and one killdeer on East Link Pond tern island, Summer Lake Wildlife Area
6/22 – 6/28/09 ›
High counts during the week of 14 Caspian terns (8 active nests), 21 double-crested cormorants, 36 Forster’s terns, 9 American white pelicans, 4 Canada geese, and one killdeer on Dutchy Lake tern island, Summer Lake Wildlife Area
6/25/09 ›
Road survey of Goose Lake near Lakeview, OR; 301 loafing and foraging Caspian terns counted
Weekly Update for 6/15 - 6/21/2009
6/21/09 ›
First Caspian terns (3) were observed on the Fern Ridge tern island in 2009, presumably post-breeding terns that had dispersed from other nesting colonies in the region; to date no nesting attempts by Caspian terns have been detected at the Fern Ridge tern island
6/15 – 6/21/09 ›
High count during the week of Caspian tern nests on Crump Lake tern island was 667 nests, somewhat lower than the previous week; also counted on the island were 1,343 ring-billed gulls and 1,023 California gulls
6/15 – 6/21/09 ›
Seasonal high count of 22 Caspian terns (3 active nests) on East Link Pond tern island, Summer Lake Wildlife Area; also counted on the island were 645 ring-billed gulls (158 active nests), 48 California gulls (11 active nests), 2 avocets (1 active nest), 21 loafing American white pelicans, and 21 loafing double-crested cormorants
6/15 – 6/21/09 ›
High counts during the week of 18 Caspian terns (8 active nests), 31 double-crested cormorants, 14 Forster’s terns, 14 American white pelicans, 2 gadwalls, and one killdeer on Dutchy Lake tern island, Summer Lake Wildlife Area
6/17/09 ›
First Caspian tern chick observed on East Link Pond tern island
6/16/09 ›
31 adult Caspian terns captured and banded at Crump Lake tern island; one California gull that was preying on tern eggs was shot (under permit)
Weekly Update for 6/8 - 6/14/2009
6/14/09 ›
First Caspian tern chick observed on Crump Lake tern island
6/14/09 ›
First Caspian tern chick observed on Dutchy Lake tern island
6/8 – 6/14/09 ›
Seasonal high count of Caspian terns (1,103) and Caspian tern nests (713) on Crump Lake tern island; also counted on the island were 1,323 ring-billed gull nests and 697 California gull nests
6/8 – 6/14/09 ›
High count during the week of 2 Caspian terns (1 active nest with a single egg) on East Link Pond tern island, Summer Lake Wildlife Area (no gull counts conducted at East Link this week); high counts of 22 Caspian terns (8 active nests), 25 ring-billed gulls, 20 Forster’s terns, 20 American white pelicans, 19 double-crested cormorants, 3 California gulls, and 2 willets on Dutchy Lake tern island, Summer Lake Wildlife Area
6/8 – 6/14/09 ›
High nest predation rates on tern eggs by California gulls at the Crump Lake tern island this week necessitated removal of problem gulls using firearms (under permit); 2 California gulls that were preying on tern eggs were removed
6/9/09 ›
Mammal tracks (possibly a muskrat) were observed on the Dutchy Lake tern island; the tracks were located on the opposite end of the island from the tern colony
Weekly Update for 6/1 - 6/7/2009
6/1 – 6/7/09 ›
Seasonal high count of Caspian tern nests (692) on Crump Lake tern island; also counted on the island were 2,714 ring-billed gulls and 792 California gulls; after hatching 4 goslings, nesting pair of Canada geese on Crump Lake tern island failed
6/1 – 6/7/09 ›
High counts during the week of 2 Caspian terns (1 active nest with a single egg), 367 ring-billed gulls (18 active nests), and 18 California gulls (4 active nests) on East Link Pond tern island, Summer Lake Wildlife Area; high counts of 23 Caspian terns (7 active nests), 17 double-crested cormorants, 8 Forster’s terns, 3 ring-billed gulls on Dutchy Lake tern island, Summer Lake Wildlife Area
6/5/09 ›
Road survey of Goose Lake near Lakeview, OR revealed 158 Caspian terns on eastern shore of lake; 5 color-banded terns observed, all of which had been seen on Crump Lake tern island earlier this year, but none had been confirmed as nesters
6/3/09 ›
High nest predation rates on tern eggs by California gulls at Crump Lake tern island this week necessitated removal of problem gulls using firearms (under permit); 5 California gulls that were preying on tern eggs removed
6/3/09 ›
Paul Schmidt (USACE) and two construction engineers visited East Link Pond tern island
Weekly Update for 5/25 - 5/31/2009
5/25 – 5/31/09 ›
Seasonal high count of 1,059 Caspian terns on Crump Lake tern island, of which 596 were sitting in nest scrapes; gull predation on tern eggs has been observed but is much less prevalent this year compared to last year at this time; also counted on the island were 1,699 ring-billed gulls, 1,063 California gulls, and one Canada goose
5/25 – 5/31/09 ›
High counts during the week of 2 Caspian terns (1 active tern nest), 495 ring-billed gulls, and 14 California gulls on East Link Pond tern island, Summer Lake Wildlife Area; high counts of 13 Caspian terns (3 active tern nests), 12 Forster’s terns, 11 ring-billed gulls, and 4 double-crested cormorants on Dutchy Lake tern island, Summer Lake Wildlife Area
5/25 – 5/31/09 ›
23 color-banded Caspian terns re-sighted at Crump Lake tern island, of which 9 were banded at East Sand Island; one color-banded Caspian tern (banded at East Sand Island) re-sighted at Summer Lake Wildlife Area; 3 color-banded terns re-sighted at Goose Lake near Lakeview, OR, of which 2 were banded at East Sand Island
5/29/09 ›
Road survey of Goose Lake near Lakeview, OR revealed 250 Caspian terns on eastern shore of lake feeding on spawning tui chubs; 5 color-banded terns were observed, 2 of which were seen on Crump Lake tern island earlier this year
Weekly Update for 5/18 - 5/24/2009
5/24/09 ›
797 Caspian terns, 2,378 gulls (1,187 ring-billed, 308 California, and 883 unknown gull sp.), and one Canada goose on Crump Lake tern island
5/18 – 5/24/09 ›
High counts during the week of 2 Caspian terns, 396 ring-billed gulls, and 7 California gulls on East Link Pond tern island, Summer Lake Wildlife Area; high counts of 22 Caspian terns, 32 Forster’s terns, 20 ring-billed gulls, and 13 double-crested cormorants on Dutchy Lake tern island, Summer Lake Wildlife Area
5/22/09 ›
Road survey of Goose Lake near Lakeview, OR revealed 211 Caspian terns on eastern shore of lake foraging on spawning tui chub while standing in shallow water, a rare foraging behavior; no nesting terns found
5/21/09 ›
Road survey of 10 lakes in Warner Valley; most lakes were dry except for Crump Lake, Pelican Lake, Hart Lake, and Flagstaff Lake; many piscivorous waterbirds observed (e.g., pelicans, herons, egrets, gulls, and cormorants) on Pelican Lake island; no foraging Caspian terns seen
5/20 – 5/21/09 ›
Assisted ODFW with fish trapping in Hart Lake and Crump Lake; 8 prey-sized black crappie captured in Hart Lake and retained for proximate composition analysis
Weekly Update for 5/11 - 5/17/2009
5/17/09 ›
First Caspian tern eggs observed on both the East Link Pond and Dutchy Lake tern islands, Summer Lake Wildlife Area; high counts of 2 Caspian terns, 290 ring-billed gulls, and 3 California gulls on East Link Pond tern island; high counts of 33 Caspian terns, 29 double-crested cormorants, 25 ring-billed gulls, and 14 Forster’s terns on Dutchy Lake floating tern island
5/14/09 ›
First Caspian tern egg observed on Crump Lake tern island; 150 Caspian terns, 1,837 ring-billed gulls, 702 California gulls, 7 double-crested cormorants, and one Canada goose counted on island
5/12 – 5/13/09 ›
Assisted ODFW with fish trapping in Crump Lake; black crappie (19) brown bullhead (8), and red band trout (1) captured; some fish retained for proximate composition analysis
5/11/09 ›
John and Jody Gaylord visited East Link Pond tern island
Weekly Update for 5/4 – 5/10/2009
5/10/09 ›
High count of 15 Caspian terns on Dutchy Lake tern island, 2 Caspian terns on East Link tern island at Summer Lake Wildlife Area
5/8/09 ›
Counts of 50 Caspian terns and over 2,000 ring-billed and California gulls on Crump Lake tern island
5/7/09 ›
High count of 23 Caspian terns recorded at Schoolhouse Lake on Summer Lake Wildlife Area by Marty St. Louis (ODFW)
5/5/09 ›
Assisted ODFW with fish trapping in Hart Lake near Plush, OR; tui chub (12), black crappie (13) brown bullhead (4), largemouth bass (1) and Warner sucker (1) were captured; some fish retained for later proximate composition analysis
Weekly Update for 4/27 – 5/3/2009
5/3/09 ›
First road survey of Goose Lake near Lakeview, OR; 7 Caspian terns seen along shoreline; no nesting or foraging terns observed
5/3/09 ›
First road survey of Ana Reservoir near Summer Lake Wildlife Area; 3 Caspian terns seen foraging
4/30/09 ›
High count of 77 Caspian terns on Crump Lake tern island
Weekly Update for 4/20 – 4/26/2009
4/26/09 ›
Completed construction of observation blind at Dutchy Lake floating tern island
4/23/09 ›
First Caspian terns (6) observed on Dutchy Lake floating tern island
4/21/09 ›
First Caspian terns (33) observed on Crump Lake tern island
4/21/09 ›
Completed colony preparations and blind construction at Crump Lake tern island
4/20/09 ›
First Caspian terns (2) observed on East Link Pond tern island
4/20/09 ›
Completed construction of observation blind at East Link Pond tern island
Weekly Update for 4/13 – 4/19/2009
4/19/09 ›
Field crews began monitoring Caspian tern colony sites in interior Oregon
Weekly Update for 4/6 – 4/12/2009
4/7/09 ›
Caspian tern decoys and audio playback systems installed at newly constructed islands in Dutchy Lake and East Link Pond, Summer Lake Wildlife Area
4/6/09 ›
First Caspian tern sight record at Fern Ridge Reservoir in 2009
Update FOR JANUARY – MARCH 2009
3/30/09 ›
U.S. Army Corps of Engineers completed construction of a 0.5-acre floating island for Caspian tern nesting in Dutchy Lake at Summer Lake Wildlife Area
3/23/09 ›
Video surveillance system installed at Fern Ridge Reservoir tern island
1/10/09 ›
U.S. Army Corps of Engineers completed construction of a 0.5-acre island for Caspian tern nesting in East Link Pond at Summer Lake Wildlife Area
