Anna's Hummingbird in the Back Yard

The birds of summer have been active in our backyard, letting us know in no uncertain terms when the food offerings are running low. The hummingbirds have been especially active, buzzing close to our heads if the sugar water is not up to their high standards. But if the water is fresh and full, they'll hang around for a picture or two. Today's visitor is an Anna's Hummingbird (Calypte anna). 

According to the Sibley guide, there are sixteen species of hummingbirds to be found in the American West, but in our county only six species have ever been noted. Of them only the Anna's Hummingbird is a year-round resident. Black-chinned Hummingbirds are relatively common during the summer, and Rufous Hummingbirds migrate through the region in the fall and spring. The other three are rarely seen. 

Overall the lack of diversity simplifies hummingbird identification at our feeder. The orange-colored Rufous can't be mistaken, and the Black-chinned will have purple iridescence around the neck. The Anna's are magenta, although it's off a bit in these pictures because of the reflection of the feeder.

I do wish they would get along at our feeder. They are territorial about their food supply and will spend more time chasing intruders than they do eating!

 

The Flying Jewels of the Tuolumne River, the Hummingbirds

Our local environment hosts around five species of hummingbirds, although the Calliope or Costa's Hummingbirds have rarely been sighted (especially not by me). But hummingbirds are common in the area, as the moderate climate provides at least some food during the winter, and plentiful food during other parts of the year.

The Black-chinned Hummingbird (Archilochus alexandri) is a summertime visitor, and they've been regulars at our backyard feeders. I was sitting on the porch last evening and had this one checking me out. They are characterized by...a black chin! But it is the purple iridescence of their head and neck feathers that makes them look like flying amethyst crystals in the right light. I've only caught the color a few times in images.

The Rufous Hummingbird (Selasphorus rufus) is a fall and spring migrant in our region. The rich golden color is distinctive. They've been reported at only four other locations in our county so far this fall, but I've been following a small crowd of them in the wild tobacco shrubs near the Waterford water treatment plant, and a little ways downstream. I saw the first ones on August 7, and they are continuing to argue with each other right up through this afternoon. These flying gold nuggets will be missed when they move on south soon.

The Rufous Hummingbirds have a long migration, traveling from Alaska to Mexico with the seasons. When considering their size, their migration is the longest of any bird. Some birds go farther, but the Rufous travels 78 million body lengths; for a human, that would be just over three trips around the world!

The resident hummingbird in our region is the Anna's Hummingbird (Calpte anna). That makes hummingbird identification during the winter rather simple. They have a magenta iridescence when it is visible.

A West Coast Special: Anna's Hummingbird on the West Campus

One day, I'll get the perfect picture of the Anna's Hummingbird (Calypte anna). I know it's possible because Mrs. Geotripper got one on her first try (see it here). I got pretty close to one during my lunchtime stroll on the west campus at Modesto Junior College, but the day was gloomy and the bird was framed by the skies. It took a bit of obvious photo manipulation to bring out the color, although I'm happy with the details visible.

Anna's Hummingbirds are one of the rare success stories of the birding world. They were originally confined to Southern California and Baja, but with urbanization of the west coast and the attendant landscaping of delicious nectar-producing flowers, the birds have been able to expand their range far to the north into coastal Washington and British Columbia (inland would no doubt be too cold for them). Hummingbirds in general are only found in the New World. European colonizers thought for a time that they were some kind of strange hybrid of an insect and a bird ("flybirds").

Update: Almost everyone who usually reads these posts has already done so. However I ended up walking again at dinner, and wouldn't you know the hummingbird was still patrolling the bush! So I added another highly manipulated shot below...clearly the iridescence is not so visible from some angles!

Anna's Hummingbird on the Tuolumne River

Spring is springing on the Tuolumne River! I saw quite a few birds on my recent stroll down the Parkway Trail where the Tuolumne flows into the Great Valley. There was a blooming fruit tree along the trail, and I thought I could see something up in the top, and the zoom lens caught the small hummingbird sitting in the luxurious growth of flower petals. It must be a relief to have flowers blooming after the hard times of winter.

I think it's an Anna's Hummingbird (Calypte anna), based on the shape of the dark feathers across the breast, but I couldn't make out any other identifying marks. I'm open to correction if I am wrong!

Anna's Hummingbird at the Sacramento National Wildlife Refuge

We've completed our Thanksgiving journeys through Northern California and Oregon, and we made our traditional stop at the Sacramento National Wildlife Refuge in the northern Great Valley. This is a marvelous time of year, with thousands of migratory birds stopping in for the winter (you can expect to see plenty of pictures in future posts), and quite a number of year-round residents as well. My first choice from the pictures of the day was this little Anna's Hummingbird (Calypte anna) taking shelter near the refuge visitor center. It's been a frigid couple of days (parts of California were colder than northern Alaska yesterday), and I would have worried about this little one. The metabolism of these birds is such that they are always within hours of starvation, and must consume a significant percentage of their body weight every day, especially in cold weather (they are tropical birds at heart). The refuge has planted some native shrubs outside the visitor center, so there were some flowers even in this cold weather to provide food for the hummingbirds.

The Anna's Hummingbird is more or less a California endemic with a historic range in Southern California and Baja, but it has expanded its range north to Vancouver with human habitation providing secure food sources for winter.

After seeing tens of thousands of geese, and dozens of raptors, it was such a shock to see this one little bird all by itself. I guess that made it stand out today.