First fossil bird with teeth specialized for tough diet

Beak shape variation in Darwin's finches is a classic example of evolutionary adaptation, with beaks that vary widely in proportions and shape, reflecting a diversity of ecologies. While living birds have a beak to manipulate ...

Winter diets? The secret is to chill the extremities

It is well known that large mammals living in temperate climates lower their metabolism in winter. But does this represent a mechanism for coping with less food or is it merely a consequence of having less to eat? For the ...

What can plants reveal about global climate change?

Recently, climate change, including global warming, has been a "hot" news item as many regions of the world have experienced increasingly intense weather patterns, such as powerful hurricanes and extended floods or droughts. ...

New research explores theories about aging and death in plants

(Phys.org) —According to Benjamin Franklin, "nothing can be said to be certain, except death and taxes." But what if Franklin had it wrong—at least about death? University of Georgia ecologist Richard P. Shefferson explored ...

Rare African Golden Cat Captured on Camera

(PhysOrg.com) -- A Yale anthropologist has captured photographic images of a rare, cougar-like cat ranging at night in an endangered Ugandan forest.

Exotic plants do not necessarily become invasive

Introduced plant species do not necessarily have to outgrow indigenous plant species. That makes it difficult to predict the potential harm of exotic plants. NWO-funded researcher Annelein Meisner recently published an article ...

Where have all the flowers gone?

It's summer wildflower season in the Rocky Mountains, a time when high-peaks meadows are dotted with riotous color. But for how long?

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