From three species of Arctic seals to more than half of all birds globally, several animals have slipped closer to extinction ...

Population differentiation is the first step toward speciation. Then, understanding mechanisms underlying population structure is a crucial issue in evolutionary biology and ecology (Barton and Hewitt ...

This is a preview. Log in through your library . Abstract Bird songs may vary in amplitude for several reasons. Variations due to differences in environmental conditions are well known but whether ...

CHAMPAIGN, Ill. — In 1868, the naturalist Charles Darwin wrote that differences in plumage coloration between male and female birds of the same species were likely the result of sexual selection: ...

The UK Species Inventory is a database of all UK wildlife and it provides the taxonomic foundation for most biological recording and analysis systems. The Natural History Museum maintains this ...

A biodiversity survey at the Periyar Tiger Reserve (PTR) has added 12 new species records to its faunal checklist, reaffirming its status as one of the most biodiverse landscapes in the Western Ghats.

This is a preview. Log in through your library . Abstract The naturalised European blackbird (Turdus merula) is the most widely distributed avian seed disperser in New Zealand. Together with the ...