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Italian Sparrow?

10,000 Birds

They took blood samples from the birds in order to extract DNA. If the birds had been breeding, the scientists say that they would have found genetic “intermediates&# – birds with genes from both species. Hey, science people (scientists?), How can two species interbreed into a new species? what is up with this?

Sparrows 154
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Birding Chongming Island in summer

10,000 Birds

This would have allowed you to summarize your experience in sentences such as “A total of 98 boluses regurgitated by 52 chicks aged 1 day to 11 days after hatching form the sample and are shown to contain 323 food items.” It concludes that human activity influences the breeding activity of the lapwing. End of side note.

Birds 162
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Climate Change And Birds: Europe vs. North America

10,000 Birds

Data were collected from the North American Breeding Bird Survey and the Pan-European Common Birds Monitoring Scheme. The difference in the jitteryness of the lines has to do with sample size. There are way more North American birds in the sample than European, owing to differences in the quality of the data. 352:6281(84-87).

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What the Owl Knows: The New Science of the World’s Most Enigmatic Birds: A Book Review

10,000 Birds

Jennifer Ackerman points out in the introduction to What the Owl Knows: The New Science of the World’s Most Enigmatic Birds , that we don’t know much, but that very soon we may know a lot more. What the Owl Knows: The New Science of the World’s Most Enigmatic Birds is a joyous, fascinating read.

Owls 238
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South Africa’s endemic birds

10,000 Birds

Males of this species are more brightly colored in their non-breeding winter plumage. In 1996, several pipit specimens were collected for DNA analysis and it turned out that there was not one, but two new species to science in this sample! A dancing Blue Crane , South Africa’s national bird.

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A Birder Reads a Scientific Paper

10,000 Birds

It is helpful to have a sample paper. My impression is that few birders dive into ornithological and ecological papers, but there’s much to be learned, even if the reading can be tough sledding. This post provides a quick overview of how a birder might approach that task.