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How to Help Cerulean Warblers, Other Migrant Species, and Resident Birds in Costa Rica

10,000 Birds

With birds bedecked in their breeding best and filling the air with song, this is migration at its loveliest. Threatened by loss of habitat both on breeding as well as wintering grounds, a few species have even become endangered or at least on a perilous track towards that worrisome designation.

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Heermann’s Gull: Near Threatened

10,000 Birds

Heermann’s Gulls form large breeding colonies on arid islands in the Gulf of California, Mexico, from March through July. The largest colony exists on Isla Raza, where an estimated 90–95% of the total world population breeds 1. This photo by Basar from Wikipedia Commons shows the adult in breeding plumage.

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Birding Chongming Island in summer

10,000 Birds

According to the HBW, when breeding, male birds do most of the incubation and parenting while females often leave the nest up to one week before the eggs hatch. It concludes that human activity influences the breeding activity of the lapwing. End of side note. To female readers then: the Pheasant-tailed Jacana. How efficient.

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How The Bird Got Its Beak

10,000 Birds

Prior to the extinction of all of the other dinosaurs, resulting from a cosmic impact event about 65 million years ago, the ancestors of modern birds were different from modern birds in many ways, but also similar in many ways. So this new research is very interesting, and we applaud the scientists for their work. Here’s the thing.

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Support Project SNOWstorm!

10,000 Birds

Unlike Desi, the researchers involved don’t think the owls are curling up in a nice warm bed in a hut in the woods, but they don’t have much better answers than that, at least not yet. To that end they are attaching lightweight tracking devices to Snowy Owls so we can learn what individual owls are doing.

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Birding Sepilok, Borneo (Part 2)

10,000 Birds

In the non-breeding season, male Baya Weavers sometimes enter the basket-making trade, often with considerable success. Meanwhile, the females seem to have a much more relaxing life, at least in this early stage of the breeding season. I am sure one could make a very boring movie based on the events described in this paper.

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Potpourri of Amazing Bird Science

10,000 Birds

. “To be this lengthy and geographically widespread, I think is kind of unprecedented,” Phillip Johnson, executive director of the Oregon Shores Conservation Coalition, told the Salem Statesman Journal ([link] “It’s an interesting and somewhat mysterious event.” Since then the deaths haven’t stopped.

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