Thoreau's study of birds at Waldon Pond aids biologists in climate change research

(PhysOrg.com) -- Drawing on records dating back to the journals of Henry David Thoreau, scientists at Harvard University have found that different plant families near Walden Pond in Concord, Mass., have borne the effects ...

European researchers have found that birds who migrate long distances are arriving at their summer breeding grounds earlier.

Migrating birds can and do keep their travel dates flexible, a new study published online on January 28th in Current Biology reveals. But in the case of pied flycatchers, at least, an earlier takeoff hasn't necessarily transl ...

Lions, tigers and bears top the ecological pyramid -- the diagram of the food chain that every school child knows. They eat smaller animals, feeding on energy that flows up from the base where plants convert ...

A Harvard botanist is citing climate change lessons learned at Walden Pond and urging evolutionary biologists into the global warming fray, where their knowledge of species’ genetic relationships can ...

In an effort to assess ties between birds' feeding habits and the spread of nonnative invasive plants, researchers provided ornithologists from four U.S. states with questionnaires on daily bird-plant encounters. The 1,143 ...

Large-river specialist fishes—from giant species like paddlefish and blue catfish, to tiny crystal darters and silver chub—are in danger, but researchers say there is greater hope to save them if major ...

Tropical plants flower at supra-annual irregular intervals. In addition, mass flowering is typical for the tropical forests in Borneo and elsewhere, where hundreds of different plant timber species from the ...

Ocean acidification is damaging some marine species while others thrive, say scientists. An international team studied the effect of ocean acidification on plankton in the North Sea over the past forty years, ...

British wildlife is under serious threat, according to a major new study out Wednesday, which found that 60 percent of species assessed have declined in numbers over the past 50 years.

A controversial cull of up to 10,000 wild horses in Australia's harsh Outback reportedly began Wednesday in a bid to control the feral animals which officials say are destroying the land.

Declines in the biodiversity of pollinating insects and wild plants have slowed in recent years, according to a new study. Researchers led by the University of Leeds and the Naturalis Biodiversity Centre in the Netherlands ...