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Italian Sparrow?

10,000 Birds

How can two species interbreed into a new species? 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?),

Sparrows 154
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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. From the Abstract and summary: Changes in climate can cause populations of species to decline, to increase, or to remain steady. looked across species of common birds in Europe and the United States.

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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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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 217
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South Africa’s endemic birds

10,000 Birds

Originally considered monotypic, two species are now recognized. Drakensberg (or Orange-breasted) Rockjumper is a Drakensberg Mountain species whose range is shared with the tiny landlocked kingdom of Lesotho. Males of this species are more brightly colored in their non-breeding winter plumage. the Rockjumpers.

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A Birder Reads a Scientific Paper

10,000 Birds

It is helpful to have a sample paper. Several years ago, I read about the enormous colonies of breeding birds in the Northwestern Hawaiian Islands and I did some research to satisfy my curiosity. ( Google Scholar is an excellent resource and free full-text PDFs can be located for many papers, particularly when research is taxpayer-funded.