7/19/08 ›
Last boat survey of Caspian tern colony on Goose Island in Potholes Reservoir near Moses Lake, WA; adult terns and fledglings present; 293 breeding pairs produced an unknown number of young in 2008
7/19/08 ›
Last boat survey of Rock Island Caspian tern colony and nearby islands in John Day pool; Rock Island Caspian tern colony included about 104 breeding pairs but experienced near total colony failure due to flooding of colony in early to mid-June; maximum of 3 young terns fledged from colony in 2008
7/11/08 ›
Last boat survey of American white pelican colony on Badger Island in McNary pool, mid-Columbia River; adults and large chicks present; colony appears as large or larger than 2007
7/5/08 ›
Conclusion of PIT-tagging steelhead smolts at Lower Monumental Dam on the Snake River; 7,938 steelhead PIT-tagged and scored for condition to investigate avian predation on juvenile steelhead from Snake River ESU
6/30/08 ›
Final boat survey of Caspian tern colony on Twining Island in Banks Lake near Coulee City, WA; 27 breeding pairs raised at least 9 young in 2008
6/30/08 ›
Final boat survey of Harper Island in Sprague Lake near Sprague, WA; 39 adult cormorants, 27 attended cormorant nests, and 16 cormorant chicks present; 4 adult Caspian terns and no young terns present; Caspian tern colony on Harper Island failed in 2008
6/27/08 ›
Conclusion of PIT-tagging steelhead smolts at Ice Harbor Dam on the Snake River; 1,254 steelhead PIT-tagged and scored for condition to investigate avian predation on juvenile steelhead from the Snake River ESU
6/23/08 ›
99 Caspian tern chicks captured and banded at Crescent Island tern colony
6/23/08 ›
First Caspian tern fledgling observed at Crescent Island tern colony
6/19/08 ›
Boat survey of Rock Island Caspian tern colony in John Day pool; only 6 attended tern nests and 5 tern chicks counted; flooding due to high water levels caused additional nest failure since previous survey on 14 June
6/17/08 ›
Conclusion of PIT-tagging steelhead at Rock Island Dam on the Columbia River near Wenatchee, WA; 7,271 steelhead PIT-tagged and scored for condition to investigate avian predation on juvenile steelhead from Upper Columbia ESU
6/12/08, 6/16/08 ›
Boat surveys of 9 islands on Columbia River near Richland, WA; no nesting Caspian terns or double-crested cormorants observed
6/14/08 ›
Boat survey of Rock Island Caspian tern colony in John Day pool; only 45 adult terns, 19 attended tern nests, and 11 tern chicks present; flooding due to high water levels caused over 40 nest failures since previous survey on 3 June
6/10/08 ›
First boat survey of Harper Island on Sprague Lake near Sprague, WA; 95 adult cormorants and 32 attended cormorant nests at new cormorant colony; 20 adult Caspian terns and 11 attended tern nests present
6/10/08 ›
Boat survey of Caspian tern colony on Twining Island in Banks Lake near Coulee City, WA; 56 adult terns, 27 attended tern nests and 18 tern chicks present
6/6/08 ›
Boat survey of double-crested cormorant colony at Okanogan on Columbia River near Brewster, WA; 33 attended cormorant nests in trees and 13 cormorant chicks present
6/5/08 ›
Aerial survey of Columbia Plateau region to locate new tern, cormorant, and gull colonies and assess productivity of all known active piscivorous waterbird colonies
6/4/08 ›
Video surveillance system deployed at Crescent Island Caspian tern colony
6/3/08 ›
First double-crested cormorant fledgling observed at Foundation Island cormorant colony
6/3/08 ›
Boat survey of Rock Island Caspian tern colony in John Day pool on mid-Columbia River; more than 62 attended tern nests and 9 tern chicks present
5/27/08 ›
Boat survey of double-crested cormorant colony in Potholes Reservoir near Moses Lake, WA; more than 800 attended cormorant nests and 1,500 cormorant chicks counted in trees at North Potholes Reserve
5/19/08 ›
Aerial photo census to estimate numbers of adult Caspian terns and gulls at colonies on the mid-Columbia River and on Potholes Reservoir
5/17/08 ›
Road survey of Chief Timothy State Park and Swallows Park on Snake River near Clarkston, WA; Mann Lake near Lewiston, ID; Lyons Ferry Park on Snake River near Starbuck, WA; no nesting double-crested cormorants observed
5/15/08 ›
First boat survey of large gull colony on Three Mile Canyon Island in John Day pool on mid-Columbia River; no nesting Caspian terns observed
5/14/08 ›
First Caspian tern chick observed on Crescent Island tern colony; estimated hatch date: 12 May
5/12/08 ›
Aerial survey of mid-Columbia River, lower Snake River, and much of Columbia Plateau to locate new Caspian tern, double-crested cormorant, and gull colonies; check sites of formerly active colonies of piscivorous waterbirds to determine occupancy; new cormorant colony found on Harper Island, Sprague Lake near Sprague WA
4/30/08 ›
Road survey of Scootney Reservoir near Othello, WA; no nesting Caspian terns observed
4/30/08 ›
First boat survey of Caspian tern colony on Twining Island in Banks Lake near Coulee City, WA; 47 adult terns present, 8 on nests
4/30/08 ›
First boat survey of Caspian tern colony on Goose Island in Potholes Reservoir near Moses Lake, WA; some adult terns present in midst of gull colony
4/25/08 ›
First double-crested cormorant chick observed on Foundation Island cormorant colony; estimated hatch date: 22 April
4/17/08 ›
First Caspian tern egg observed on Crescent Island tern colony
4/10/08 ›
First boat survey of American white pelican colony at Badger Island in McNary pool on mid-Columbia River; adult pelicans present
4/8/08 ›
First boat survey of double-crested cormorant colony in Potholes Reservoir near Moses Lake, WA; over 570 attended nests in trees at North Potholes Reserve
4/8/08 ›
Commencement of PIT-tagging steelhead at Rock Island Dam on Columbia River near Wenatchee, WA for investigation of avian predation on juvenile steelhead from Upper Columbia ESU
4/4/08 ›
Commencement of PIT-tagging steelhead at Ice Harbor Dam on Snake River for investigation of avian predation rates on juvenile steelhead from Snake River ESU
4/1/08 ›
Commencement of PIT-tagging steelhead at Lower Monumental Dam on Snake River for investigation of avian predation on juvenile steelhead from Snake River ESU
3/26/08 ›
First double-crested cormorant egg observed on Foundation Island cormorant colony
3/20/08 ›
First boat survey of Caspian tern colony on Rock Island on mid-Columbia in John Day pool; 6 adult terns roosting on island
3/20/08 ›
First boat survey of gull colony on Miller Rocks on mid-Columbia River in The Dalles pool; gull colony occupied; no nesting Caspian terns or double-crested cormorants observed
3/20/08 ›
Field crew began monitoring of known Caspian tern and double-crested cormorant colonies on Columbia Plateau
3/14/08 ›
Social attraction platform erected on Foundation Island near existing double-crested cormorant colony
