黒月姫蠅取(鳥?)など / Black Phoebe and More

Birds from a nearby park and tidal flats. Even among the commonly seen species, there are still many I haven’t observed up close. Since this is my first winter observing birds in the U.S., I occasionally encounter new species. So far, I’ve confirmed just over 70 species.

Close-up of a Yellow-rumped Warbler perched on a wire fence in winter in the Bay Area
A Yellow-rumped Warbler appeared quite close. This species is relatively common and can often be heard calling in front of my house.

This bird is quite common here, similar to how White Wagtails are frequently seen in Japan. However, photographing it can be challenging due to its stark black-and-white coloring (just like the White Wagtail).

Close-up of a Black Phoebe in winter in the Bay Area
Thanks to the soft light, the details came out clearly in this shot. The contrast between the bright construction cone and the park’s greenery really makes the bird’s monochrome plumage stand out.
Close-up of a Black Phoebe in winter in the Bay Area
It’s a bird I’m quite fond of.
Black-crowned Night Heron standing at the edge of a wetland at Bair Island Wildlife Refuge in winter
A Black-crowned Night Heron with an unusually long-looking neck, longer than usual today.
Willet walking through wetland at Bair Island Wildlife Refuge in winter
A Willet on the tidal flats, as usual.
Male Anna’s Hummingbird perched on a twig and lit by the setting sun, with its gorget glowing reddish purple, at Bair Island Wildlife Refuge in winter
I heard the distinctive sound of a hummingbird and turned around to see a male Anna’s Hummingbird in a nice spot. This is my most vivid shot so far. The metallic colors are hard to capture unless the light hits the face just right, so these opportunities are rarer than expected.
Killdeer in wetland at Bair Island Wildlife Refuge in winter
A Killdeer. Compared to other similar-looking plovers, it’s noticeably larger.
Flock of waterbirds gathered in a wetland at Bair Island Wildlife Refuge in winter
In the distance on the tidal flats, American Avocets, American Wigeons, and Green-winged Teals were resting. In Japan, hybridization between American Wigeons and Eurasian Wigeons is known.
Black Skimmer flying just above the water surface at Bair Island Wildlife Refuge in winter
At first, I thought this was a Caspian Tern, but upon closer inspection, I noticed the lower mandible had a staircase-like step, giving it an unusual shape.
Black Skimmer flying close to the water surface at Bair Island Wildlife Refuge in winter
This bird is called a Black Skimmer, and its beak is specialized for skimming the water’s surface while flying to catch prey. I wish I had taken more time to observe it.
Silhouette of a small airplane landing at dusk at Bair Island Wildlife Refuge in winter
There are several small airstrips around the area.
Wetland and flock of waterbirds silhouetted after sunset at Bair Island Wildlife Refuge in winter
I’ve been observing how the tidal flats change between summer and winter, but they don’t seem to change drastically. Perhaps due to the stable climate, many species can be seen year-round. Although I haven’t been able to monitor the area regularly, I’d like to continue observing it over time.

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