7/20/08 ›
First Caspian tern fledglings observed at Eden Landing tern colony; about 56 breeding pairs raised about 45 fledglings in 2008
7/17/08 ›
Final survey of Stevens Creek Caspian tern colony; 49 adult terns and 26 tern chicks present; about 80 breeding pairs raised an unknown number of fledglings in 2008
7/17/08 ›
Final survey of Agua Vista Park Caspian tern colony; 25 adults and no chicks observed; about 25 breeding pairs produced an unknown number of fledglings in 2008
6/26/08 ›
183 Caspian tern chicks captured and banded at Brooks Island tern colony
6/21/08 ›
First Caspian tern fledgling observed at Brooks Island tern colony; about 812 breeding pairs raised about 340 fledglings in 2008
6/20/08 ›
Last aerial survey to locate radio-tagged Caspian terns tagged at Brooks Island colony; 11 aerial surveys completed and 164 off-colony detections collected for 39 radio-tagged terns
6/10/08 ›
Project staff observed release of hatchery-reared Chinook salmon smolts from net pens in San Pablo Bay; Caspian terns, brown pelicans, American white pelicans, double-crested cormorants, and western gulls observed foraging on fish released from net pens; radio-tagged Caspian terns from Brooks Island detected in area
6/4/08 ›
High high tide caused some nest failure due to flooding on Brooks Island Caspian tern colony
6/4/08 ›
Survey of PG&E towers adjacent to Stevens Creek tern colony; 55 active double-crested cormorant nests present
5/28/08 ›
First aerial survey to locate radio-tagged Caspian terns nesting at Brooks Island
5/25/08 ›
First Caspian tern chick observed on Eden Landing tern colony; first chick hatch ~23 May
5/19/08 ›
First road survey to locate Caspian terns radio-tagged on Brooks Island
5/14/08, 5/15/08 ›
42 adult Caspian terns captured, color-banded, and fitted with radio tags at Brooks Island colony
5/14/08 ›
Aerial photo census to estimate number of Caspian tern breeding pairs on Brooks Island
5/12/08 ›
First Caspian tern chick observed on Brooks Island colony; first chick hatched ~ 10 May
5/6/08 ›
First Caspian tern eggs observed on Stevens Creek tern colony; date of first egg laid at this colony unknown
5/2/08 ›
First Caspian tern egg observed on Eden Landing colony; first egg laid ~ 30 April; regular weekly monitoring of Eden Landing tern colony commenced
4/29/08 ›
Caspian terns observed for first time on Eden Landing tern colony; 78 adults present
4/24/08 ›
Project staff attended meeting with regional resource managers to discuss plans to restore tern nesting habitat in San Francisco Bay area as part of management plan for Caspian terns in the Columbia River estuary; site visits to Hayward Regional Shoreline and Don Edwards NWR
4/21/08 ›
First survey of historical Caspian tern colony at Ravenswood (in the South Bay near the west end of the Dumbarton Bridge); no Caspian terns observed in area; subsequent visits during breeding season indicated no terns attempted to nest in 2008
4/17/08 ›
Survey of historical Caspian tern and double-crested cormorant colonies on Knight Island (in the North Bay near Vallejo, CA); 47 adult terns and 20 adult cormorants observed loafing on emergent islands at site; former colony sites at Knight Island now completely inundated during high high tides; no tern or cormorant nesting attempts detected in 2008
4/17/08 ›
First Caspian tern egg observed on Brooks Island colony; first egg laid ~ 12 April
4/11/08 ›
Survey of Caspian tern colony at Stevens Creek; 57 adults observed on two islands
4/11/08 ›
Survey of Caspian tern colony at Agua Vista Park; 39 adults and 0 attended nests present
4/3/08 ›
First Caspian terns observed on Stevens Creek tern colony; 15 adults and 1 attended nest present on two islands
4/3/08 ›
Survey of Caspian tern colony at Agua Vista Park; 11 adults and 2 attended nests present 3/31/08 ›
Survey of Caspian tern colony at Eden Landing; 3 Caspian terns observed flying over colony; vegetation cleared from part of Caspian tern colony at Eden Landing to enhance prospects for terns nesting at site
3/23/08 ›
First survey of historical Caspian tern colony at Coyote Hills (in the South Bay near Fremont, CA); no Caspian terns observed in the area; subsequent visits during breeding season indicated no terns attempted to nest there in 2008
3/20/08 ›
First survey of historical Caspian tern colony at Agua Vista Park (in the Central Bay on the San Francisco waterfront); 3 adult terns observed on two piers previously used for nesting
3/20/08 ›
First survey of historical Caspian tern colony at Eden Landing (in the South Bay at the east end of the San Mateo Bridge); 2 Caspian terns observed flying over colony
3/20/08 ›
First survey of historical Caspian tern colony at Alviso Ponds (in the South Bay near Alviso, CA); no Caspian terns observed in area; subsequent visits during breeding season indicated no terns attempted to nest there in 2008
3/20/08 ›
First survey of historical Caspian tern colony at Stevens Creek (in the South Bay near Moffet, CA); 1 Caspian tern flew over colony
3/18/08 ›
Vegetation cleared from part of Brooks Island Caspian tern colony to enhance habitat
3/16/08 ›
First Caspian terns observed on Brooks Island tern colony
3/15/08 ›
Field crew began monitoring Caspian tern colonies in San Francisco Bay area
