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‘Staggering disease’ discovered in Colorado mountain lion

AVMA News

For the first time in North America a case of rustrela virus infection, also known as staggering disease, has been identified in a wild mountain lion. Researchers are encouraging further investigations to determine just how prevalent the virus is in area wildlife.

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Peterson Reference Guide to Owls of North America and the Caribbean: A Book Review by a Lover of Parliaments

10,000 Birds

Here are some things I’ve learned from the Peterson Reference Guide to Owls of North America and the Caribbean by Scott Weidensaul: The Burrowing Owl is the only North American owl species where the male is larger than the female, albeit, only slightly larger. And the term is ‘non-reversed size dimorphism.’).

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National Geographic Complete Birds of North America, 2nd Edition: A Book Review

10,000 Birds

The second edition of the National Geographic Complete Birds of North America, 2nd Edition has one of the longest book names in bird bookdom: National Geographic Complete Birds of North America, 2nd Edition: Now Covering More Than 1,000 Species With the Most-Detailed Information Found in a Single Volume.

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Climate Change And Birds: Europe vs. North America

10,000 Birds

I want to alert you to a recent study (from April) that looks at the plight of bird populations under conditions of climate change in Europe and North America. Data were collected from the North American Breeding Bird Survey and the Pan-European Common Birds Monitoring Scheme. Why are Europe and North America different?

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Peterson Field Guide to Moths of Southeastern North America and of Northeastern North America: A Review of Two Field Guides

10,000 Birds

You can blame the nice people at Houghton Mifflin Harcourt, who took it upon themselves to send me a review copy of the Peterson Field Guide to Moths of Southeastern North America by Seabrooke Leckie and David Beadle. Moth plates from Peterson Field Guide to Moths of Southeastern North America. Let that sink in.

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The origins of tanagers, warblers, and sparrows are coming into focus

10,000 Birds

Importantly, the paper offers support for the hypothesis that the ancestor of the entire clade came to North America by way of Beringia — the land bridge between Siberia and Alaska exposed at various times through Earth’s history. The paper is by leading researchers F. Keith Barker, Kevin J. Lanyon, and Irby J.

Sparrows 279
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Bird Talk: An Exploration of Avian Communication–A Book Review

10,000 Birds

” And then I found out that bird song doesn’t just belong to the males, that there are female birds who sing too, only not so much in North America, and my mind was blown.**. I do wish there was more about research on female bird song. I wish there was more discussion of research techniques and resources.