Bird survey volunteers walking on trail with spotting scope and binoculars at Ellis Creek Petaluma

PWA Monthly Bird Survey at Ellis Creek (1/14/20)

Tuesday, January 14, was the bimonthly bird survey at Ellis Creek for the Petaluma Wetlands Alliance (PWA). Shortly after 7 AM, the team was greeted by this incredible pink sunrise reflecting in the ponds.

Pink sunrise with pond and silhouette of trees at Ellis Creek Petaluma
It’s gonna be a good morning!

Even in the near-dark, a large group of noisy Green-winged Teals gave their whistle calls in the first ephemeral pond. Don’t the whistles sound like reed instruments?

As the sun emerged, we came upon this male Anna’s Hummingbird in the coyote brush, perhaps prepping to perform some displays.

Anna's Hummingbird male perched in coyote brush at Ellis Creek Petaluma
Anna’s Hummingbird

There must’ve been a Black-crowned Night-Heron convention going on at Ellis Creek – the team tallied a record high 39!

Black-crowned Night-Herons perched in reeds together above pond at Ellis Creek Petaluma
Very important business meeting
Black-crowned Night-Heron perched in reeds above pond at Ellis Creek Petaluma
Black-crowned Night-Heron

We listened to this Song Sparrow and delighted in his performance of four totally different songs in a row. Was it a first-year bird practicing his repertoire?

While we’re on the subject of sparrows, we finally recorded the Lincoln’s Sparrow’s high-pitched buzzy call note – listen to it below. This buzzy call contrasts with the more pure-sounding “zeet“-s of many of our other sparrows, and is a great clue that the dainty and dapper Lincoln’s Sparrow is concealed nearby. Here’s a refresher on how to tell the Lincoln’s apart from the Song Sparrow.

In one of the ponds, we encountered some solo diving ducks.

Ruddy Duck female swimming in pond at Ellis Creek Petaluma
Ruddy Duck
Female Common Goldeneye hen swimming in pond at Ellis Creek Petaluma
Common Goldeneye

The team split into two groups to cover different sections, and ours headed down a side trail to scope the distant tidal marsh.

Man with arms spread holding a spotting scope in front of green hills on a trail at Ellis Creek Petaluma
Spotting scope calisthenics

We met a couple Turkey Vultures at the bend, and they took to flight – none too happy that we walked by. Sorry, friends!

Turkey Vulture leaning forward stretching wings on fence posts in front of grass and green hills at Ellis Creek Petaluma
Turkey Vulture
Turkey Vulture in flight in front of hilly landscape at Ellis Creek Petaluma
I’m outta here!
People birding with binoculars on a trail at Ellis Creek Petaluma
You must be “this tall” to bird here 👉

The exciting sight of 40+ Canvasbacks awaited us when we rejoined the other half of the group.

Canvasback male and female swimming in pond at Ellis Creek Petaluma
Canvasbacks

We all watched with great interest as this Red-shouldered Hawk alighted to a perch with lunch in tow. As for the unfortunate victim, its foot had long toes and looked rail-esque – our best guess was an American Coot! Click the photo below for a closer view.

Red-shouldered Hawk perched in tree with kill possible water bird at Ellis Creek Petaluma
Red-shouldered Hawk

In the world of bird calls, sometimes a bird’s alarm call is identical to its relaxed contact call, just given with more emphasis. It’s fun to notice this in the wild.
 
Listen below to a flock of Bushtits – you can hear their typical “tsit” calls (the dominant sound in the first 6 seconds – they sound like tiny tambourines to us) and the normal, high-pitched “tee-tee-tee” calls at 0:06 and 0:08 seconds. But, listen at 0:09 seconds as a Northern Harrier flies by. The calls ramp up greatly in intensity – the urgency is palpable!

Who’s got the biggest butt in the pond? Why, the Mute Swan, of course!

Mute Swan butt dipping forward with legs sticking out in pond at Ellis Creek Petaluma
Mute Swan

As we rounded back to the parking lot, this Greater Yellowlegs ran around foraging frenetically.

Greater Yellowlegs walking in pond at Ellis Creek Petaluma
Greater Yellowlegs

All those noisy Green-winged Teals from the morning had tucked away to rest.

Green-winged Teal male drake with head tucked in in pond at Ellis Creek Petaluma
Green-winged Teal

By the end of the morning, the team had tallied 80 species. In the following days, three additional species were located by team members returning to Ellis Creek, bringing the grand total to 83 for PWA’s January 2020 survey.
 
If you have any questions about this particular count or if you’re interested in participating in future counts, please contact the coordinator/compiler for these surveys, Len Nelson, at lennelsn@comcast.net.

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