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Hoppenings at the beach

Over the past couple of weeks I've rented two super telephoto lenses, to see what all the hype was about. I mean, do I really need 500 or 600mm of reach? I had read up on the specs of such lenses, and one major drawback is the weight—1900 grams or more. Would I be willing to lug a beast like this around, and would I be able to use it effectively? You never know until you try, so I rented them. And, of course, it was foggy both weeks so I didn't have much opportunity to take decent photos. But since the entire point of renting the lenses was to see if I could use them at all, that was fine.

As part of the test-drive for the second lens, I went up to Waddell Beach to see if there would be any birds to photograph. It is migration season, and our winter residents will be arriving soon. Some of them, such as the red-necked phalarope, have shown up at Younger Lagoon over the past four weeks or so. It was really foggy at Waddell, remember, and I didn't have much hope of seeing anything remarkable. There were some gulls and whimbrels off in the distance. But it turned out that the stars of the show were blackbirds!

They were hard to miss, because there were 50-60 of them and they were hopping up and down like jumping beans.

This is a mixed flock of Brewer's blackbirds (Euphagus cyanocephalus) and red-winged blackbirds (Agelaius phoenicius). The glossy greenish-black birds are the male Brewer's blackbirds, and most of the brownish birds are female Brewer's blackbirds. Since both sexes were doing the hopping, I didn't think this behavior had to do with courtship or mating.

So yes, while most of the birds seemed to be Brewer's blackbirds, I did hear the liquid gurgling of the red-winged blackbird's song coming from somewhere in the flock. When I got home and looked at the photos on the big monitor, I did see some red-winged blackbirds. Here's a male, surrounded by other males red-wingeds and both female and male Brewer's blackbirds.

Male red-winged blackbird (Agelaius phoenicius) at Waddell Beach
2021-09-14
© Allison J. Gong

In this photo above the black birds are male Brewer's blackbirds. The brown birds without faint wing bars are female Brewer's blackbirds, and the brown birds with the wing bars are male red-wingeds. There were no female red-winged blackbirds in any of my photos. According to an article from Cornell's Bird Academy, the males spend the weeks leading up to springtime competing for territories, and when the females return from their winter migration they will choose mates based partly on the quality of the territory. Mid-September is too early for this kind of competition, though. We are just about up to the autumn equinox, but not near winter quite yet.

Back to the hopping. There's a clue in this photo about what I think was going on:

Male Brewer's blackbird (Euphagus cyanocephalus) at Waddell Beach
2021-09-14
© Allison J. Gong

See that little fly? There were many such flies, most of which were lower on the beach gathering around the kelps and other wet detritus that had washed up. There were fewer flies up where the driftwood accumulates, though. Once again, it wasn't until I saw the pictures on my big monitor that I could figure out what those blackbirds were doing. They were hopping up to eat flies!

Here's a series of shots showing one of the male red-wingeds in mid-hop.

  • Looking up, just before the hop:
Male red-winged blackbird (Agelaius phoenicius) at Waddell Beach
2021-09-14
© Allison J. Gong
  • Up he goes! See the very edge of the red epaulette on his right wing? And all those flies?
Male red-winged blackbird (Agelaius phoenicius) at Waddell Beach
2021-09-14
© Allison J. Gong
  • Is he going to catch something?
Male red-winged blackbird (Agelaius phoenicius) at Waddell Beach
2021-09-14
© Allison J. Gong
  • Maybe?
Male red-winged blackbird (Agelaius phoenicius) at Waddell Beach
2021-09-14
© Allison J. Gong
  • After all that, I'm not at all sure if he actually got anything!
Male red-winged blackbird (Agelaius phoenicius) at Waddell Beach
2021-09-14
© Allison J. Gong

I don't have any hard evidence that the blackbirds (both Brewer's and red-wingeds) are catching flies. And while I was at the beach watching them hopping up and down I had no idea what they were doing. However, now that I've seen the flies in the photos, it makes sense that the birds would be hopping up to catch and eat them, especially since both sexes of the Brewer's blackbirds were doing the same thing.

So that's what was hoppening at the beach!

What do you think?

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