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Pursuit of Violet-Green Swallows

Pursuit of Violet-Green Swallows

It’s the first weekend in March. The birding has slowed down substantially – we are in between winter birds and the upcoming spring migration. I had hoped this would translate into a slower pace for me with a little time to recover from a very busy two months of intense birding, but I’m having no such luck for rest.

My goal this weekend was to find a Violet-green Swallow. These gorgeous swallows, sporting their namesake purple and green plumage, apparently only visit this county for about two months, and now is the time to look for them. It’s a now or never situation, as they won’t show up again for the rest of the year.

The Violet-green Swallows were recently spotted at the Mokelumne Fish Hatchery. Last weekend we drove out there and couldn’t find any swallows, let alone our target bird. So I thought I’d try looking in my part of the county, and today we headed to Ripon to test our luck.

We visited the Ripon Sewage Ponds. Water treatment plants offer awesome birding, even if it does get a bit stinky at times. Thankfully today the chemical fumes were not wafting in our direction, so we spent more time looking over the first two ponds. Recently, an Iceland Gull and a rare Glaucous Gull were spotted in South County, so when I saw a large group of gulls plopped in the middle of the ponds, I spent some time scoping them in hopes of finding a goodie. A few petite Bonaparte Gulls and a Ring-billed Gull were the only deviants from the hundreds of California Gulls. Nothing unusual.

I saw a couple of swallows near the parking lot, but they were the expected Tree Swallows with their blue-green backs. But I had a particular spot in mind to find our target bird. Something was calling me to the end of the four main ponds where the geese like to hang out in a grassy mini-field. 

Dragging my scope and camera with me kept my hands occupied as we walked to the field, so I listened intently to the sounds around me. Sandhill Cranes rattled overhead, a pair of Yellow-billed Magpies called to one another, and a Black Phoebe cheerfully chirped as it snapped bugs out of the air.

Upon reaching the mini field, I found that there were indeed swallows. Score one for intuition! Next was the arduous task of picking out each swallow for review, keeping it in my field of vision while it danced around the air in its acrobatic flight pattern. One by one, I glued my binoculars to a swallow and carefully checked for extensive white in the face and white extending up the sides of the rump to the back. FInding the white is an easier ID feature to pick out amongst the Tree Swallows in flight versus catching the purple and green colors. It felt like a Dr. Seuss book: One Swallow, Two Swallows, Tree Swallow, Four Swallows. All were Tree Swallows chattering to each other. After some time of scanning with no Violet-green Swallows popping up, it was time to call it quits.

That’s the thing with the Big Year. I have “dipped” (missed a bird recently spotted by someone else) so many times I’ve lost count. But you keep on going out, trying each day to get the birds, because today might be that special day when the bird cooperates.

For our efforts, our consolation prize later that day was a South County specialty: a Cassins’ Kingbird spotted, ironically, on Bird Road. 

Gull ID Project: Introduction & California Gulls

Gull ID Project: Introduction & California Gulls

Various Gulls

Various Gulls

“GULLS? No Waaaayyeeeeeeeeeee!!!!!!!!!!!!!!!!!!!!!!!!!!” This is my favorite line in Gulls Simplified: A Comparative Approach to Identification by Pete Dunne & Kevin T. Karlson.

My sentiments exactly. I have avoided diving into gull identification for many years. Gull plumage and hybrids make my head swirl. Then one day I read a review in the Bird Watcher’s Digest magazine for the aforementioned book, which took a more non-plumage approach to gull ID. After reading this and in combination with a field guide, I am starting to find gull ID not so scary.

I plan to write about common SF Bay Area gulls and include a few tips on ID. I found that starting with local birds and focusing on adults was the best way to ease into this project.

First up, the California Gull (CAGU).

There are a few things I look for right away when I’m hoping to ID an adult gull, including eye color, bill shape/coloring, and legs. This is usually enough to get me started.

California Gull

California Gull, Non-Breeding Adult

Adult California Gull: Basics
Eye Color: Dark
Bill Shape: Straight with no bulk
Bill Color: Yellow with red and black spots
Legs: Yellow

If all these traits line up, then chances are you’ve got yourself an adult CAGU! I used these four features to start identifying these gulls until I felt a bit more comfortable with picking them out of a crowd.

California Gull

You can see just enough of the four traits to ID this as a California Gull. Note the yellow legs, dark eye, black & red spotted straight bill.

The following features were tips I learned from the Gulls Simplified: A Comparative Approach to Identification book:

California Gull: Going Deeper
Standing Position: The body dips at the end so that the tail is angled downward. Compare that to the very horizontal stance of other gulls like Ring-billed Gulls.

Winter Plumage: On adults, there is grayish spotting that is concentrated on the back of the neck. This is a different spotting pattern than other winter gulls where the entire head and neck are splotchy.

California Gull

CAGU, Subadult. Note the tilted stance with the tail angled towards the bottom. Subadults also have blue legs.

There you go! Of course, this doesn’t even scratch the surface of CAGU ID, but at least the adults should be a bit easier to identify. Sit down with a bunch of gulls in a parking lot and spend some time looking at the differences in eye color, leg color, how they are standing, and anything else that seems different. Take pictures and study them at home, draw them in a notebook – whatever works to help commit this to memory!

My Birding Day: Coyote Hills with FBC

My Birding Day: Coyote Hills with FBC

FBC Coyote Hills, 2018

FBC Walk, Coyote Hills, 2018

I am a member of a Facebook group named the Fremont Birding Circle. Led by local expert Jerry Ting, we participate in monthly bird walks around the Fremont area. For the month of December, we visited Coyote Hills Regional Park and explored No Name Trail down its long stretch into the bay. It is a beautiful trail that gives hikers a close-up look at various waterfowl, gulls, terns, sandpipers, and more.

Dunlin, 2018

Dunlin, 2018

We spent three hours walking three miles round trip. My personal trip was closer to four miles because I had to run back to the main part of the park to find a bathroom while the group trudged ahead. The morning was picture-perfect with a cool, gentle breeze and still water that gave a mirror-like quality to the resting birds.

American Avocets, 2018

American Avocets, 2018

We did not find our target bird (Red Phalarope) but a Glaucous Gull was spotted that day – a rarity in our area. In total the group saw 75 species that morning. Since we arrived late, I spotted 54 species which goes to show the immense diversity this trail offers. If you’re lucky, sometimes you can spot a flamingo named Floyd that likes to hang out in that area from time to time!

Great Egret, 2018

Great Egret, 2018

My Birding Day – No Name Trail

My Birding Day – No Name Trail

Today my husband and I drove down to Fremont, which is one of our favorite birding areas. We heard that Bonaparte’s gulls were visiting Coyote Hills Regional Park (originally reported by local expert Jerry Ting), so we made sure to stop at this rich birding hotspot for the day’s birding destination.

We parked at the Quarry Staging Area and set-up our scope and tripod in preparation for seeking out water birds. The sun was still intensely warm – when will the cool autumn days finally arrive? I slathered on sunscreen while listening to the sweet, melancholy song of the nearby golden-crowned sparrows.

Various Birds at Coyote Hills RP

A variety of birds enjoying the flowing water. 2018

The short walk to our destination featured deep blue sky and wispy clouds overhead. One by one, western meadowlarks flew by giving us a quick glance of their yellow stomachs. I spotted an American kestrel on a bare branch and watched as she preened herself. Through the scope, I could make out the brown-striped feathers and intricate head markings. It was beautiful to watch.

I was still in a grumpy mood about the unusually intense sun and lack of nearby shade, but that mood quickly shifted to excitement when we reached the aptly-named No Name Trail and spotted the Bonaparte’s gull. This little gull was in its winter plumage with its identifiable black “ear” patch and black bill against an otherwise white head. It was cute to watch as it slowly scanned the surface and gently dipped into the water to grab a morsel of food.

What I saw next made my heart leap. I was so focused on the gull that I neglected to see, or hear, the egrets close by. Typically, I’ll see a few together at a time. This time I saw nearly 150 snowy egrets squabbling with each other and several dozen great egrets focused on their seafood buffet, sponsored by the roaring water spewing out of a pipe. The noise of the egrets crabbing at each other was loud and I attempted to record it on my phone, but the powerful wind muddied my recording. Then another surprise. As we looked through the scope and binoculars, we spotted another Bonaparte’s gull! Then another, and another – wow ten! Wait, there’s more sitting on the water over there… Thirty in total! I was ecstatic to simply see one let alone dozens!

Snowy Egrets

Snowy Egrets, 2018

We watched the birds for nearly an hour and decided to return to the car. We were delighted to watch a Say’s and black phoebe harass each other for the prized perching branch, spot house wrens in the bushes, and get a quick glance of a merlin as it flew off into the distance.