The House Sparrow must rank as one of the most familiar birds in the world - occurring naturally in Europe, Asia and northern Africa, it has also been introduced, and become well established in, the ...

The Australian outback once shook under the footfalls of birds taller than a person and five times heavier than a cassowary. For more than a century, scientists knew these giants – called ...

Choose from Cartoon Of Skull Side Profile stock illustrations from iStock. Find high-quality royalty-free vector images that you won't find anywhere else. Plans and pricing Video Back Videos home ...

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Changes in the number, shape, efficiency and interconnectedness of organelles in the cells of flight muscles provide extra energy for birds’ continent-spanning feats. Weighing in at a single ounce, ...

Sharrock, J.T.R. 1969. White-throated Sparrow on Cape Clear Island: a bird new to Ireland. Irish Naturalists' Journal 16: ...

One of the loudest and most colorful birds of eastern back yards and woodlots, the Blue Jay is unmistakable. Intelligent and adaptable, it may feed on almost anything, and it is quick to take ...