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Vagrancy in Birds: A Book Review

10,000 Birds

per cent of individuals of a species at a given time” and a vagrant bird as a bird that shows up outside of this range (p. There are many more factors than I imagined: compass errors, wind drift, overshooting, extreme weather and irruptions, natural dispersal, and human-driven vagrancy. other compass senses like the stars?–and

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Liben Lark Gets a Lifeline

10,000 Birds

That is why it is such amazingly awesome news that the British Birdwatching Fair raised £242,000 to help conserve a species that could become the first recorded bird extinction in mainland Africa. OpticsPlanet - Great prices on binoculars for birding , spotting scopes , telescopes , flashlights , compasses & more!

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Half Hardy

10,000 Birds

When I began birding with people from parts farther north I became familiar with the term “ Half Hardy “, which refers to those species of birds who are generally present in small numbers during mild winters, but usually can’t handle the rough patches of extreme cold temperatures and snow that are less frequent.

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Charles Harper’s Birds & Words: A Review of a Classic Reborn

10,000 Birds

I reduced all lines and edges to straights and curves (that’s all there are) and began to render with mechanical drawing instruments¬ ruling pen, compass, French curve, T-square, triangle. So, the Eastern Kingbird ”is one of the Tyrant Flycatchers, Tyrannidae –America’s largest bird family–365 different species.”