This morning I observed the pair of BULLOCK'S ORIOLES going to what looked like an almost complete nest at Fort Mason. Bullock's Orioles rarely nest in San Francisco. It was a good morning again for f

There was a nice movement of flycatchers through Fort Mason this morning, including an ASH-THROATED FLYCATCHER, an OLIVE-SIDED FLYCATCHER, a PACIFIC-SLOPE FLYCATCHER and 2 WESTERN WOOD-PEWEES. A BALD

Male just south of spring

6 and a Red Necked Phalarope- west end of lagoon

This morning the biggest movement of birds at Fort Mason wasn't at sunrise, but mid-morning. 2 WESTERN KINGBIRDS, 2 BULLOCK'S ORIOLE, 5 WARBLING VIREO, 1 CASSIN'S VIREO, 1 PACIFIC-SLOPE FLYCATCHER, 1

Started the day at Ocean Beach where SANDERLINGS and WHIMBRELS were the predominant shorebirds - Whimbrels spread out along the beach, with the Sanderlings in flocks containing birds in plumage varyin

Looked for migrants at Fort Mason for six of the past eight mornings (not Sunday and Wednesday) and found some each day. At least 2 WESTERN KINGBIRDS were seen each day until Tuesday, with at least 8

There's been a steady stream of migrants moving through Fort Mason the last three days. Each day multiple ORANGE-CROWNED WARBLERS (as many as 5 or more), and WILSON'S WARBLERS have been seen. Monday w

With the shift in the winds, migrants were far scarcer this morning at Fort Mason, with the most notable birds being two BLACK-THROATED GRAY WARBLERS, one ELEGANT TERN, one CHIPPING SPARROW, three WES

The first major spring migrant push at Fort Mason happened this morning. The warbler highlights started with 3 BLACK-THROATED GRAY WARBLERS in the Battery first thing in the morning and ended with Fel

Circling around the Battery

In Battery at Fort Mason

In eucalyptuses west of hostel at Fort Mason

I first heard the RED-WHISKERED BULBUL this morning a little before 8 am calling from a eucalyptus tree north of the garden - I followed it for more than an hour, recording it numerous times, but not

Lots of new activity over the past few days at Fort Mason. On Monday, I saw my FOS CASSIN'S VIREO in the garden, two species of Oriole - BULLOCK'S and HOODED, at least 4 ORANGE-CROWNED WARBLERS, and t

Migrants continue to trickle through Fort Mason. On Thursday a early VAUX’S SWIFT flew right over the Battery, while a male HOODED ORIOLE continued in the garden. On Friday a BLUE GRAY GNATCATCHER was

Despite the fog, wind and cold, there was a lot of avian activity at Fort Mason this morning, including five warbler species, with the latest arrivals being two WILSON'S WARBLERS in the garden, joinin

Spring Migration is starting to pick up a little at Fort Mason - a very vocal male HOODED ORIOLE was behind the General's House, and a PACIFIC-SLOPE FLYCATCHER was in the Battery.

A bright male HOODED ORIOLE was vocalizing in a Eucalyptus tree south of the Community Garden yesterday before flying to a Palm tree and then disappearing behind the General's House. This morning a LA

The female SUMMER TANAGER found by Cliff last Saturday continued this morning where the trail forks about 100 yards from the parking lot at Middle Lake in Golden Gate Park.