Study: Birds species diversifying, growing

Study: Birds species diversifying, growing

NEW HAVEN, Conn., Nov. 1 (UPI) -- The most comprehensive family tree for birds to date reveals surprising new details about their evolutionary history, U.S. researchers say.

Amphibians confirmed as bellwethers

SANTA BARBARA, Calif., Oct. 29 (UPI) -- U.S. biologists say they've verified the predictive powers of amphibians, whose moist permeable skins make them susceptible to slight environmental changes.

Birds' extinction danger underestimated

SAN DIEGO, Dec. 11 (UPI) -- A U.S. study suggests range maps that incorrectly estimate the distribution of birds have overstated the actual population of threatened species.

Jockstrip: The world as we know it

Nude swim marks graduation ... Mystery safe contains not much ... Court upholds ban on gang insignia ... Study: Most lizards live on islands ... The world as we know it from UPI.
By United Press International

Study: Most lizards live on islands

SAN DIEGO, May 1 (UPI) -- A U.S. study has confirmed what biologists have long observed -- most lizards live on islands than on the mainland. The University of California-San Diego study also signals an alarm, suggesting climate change might have devastating consequences for lizar

Global map of plant biodiversity created

SAN DIEGO, March 20 (UPI) -- A German-U.S. team of biologists has produced what is called the most extensive global map of plant biodiversity ever issued.

Blue Planet: Of mice, elephants and gas

BOULDER, Colo., Oct. 7 (UPI) -- A series by UPI examining the human relationship to the natural world. This week: It should not surprise anyone to learn that large wild animals require large spaces, but new research indicates those animals need not occupy as much range as predicted simp
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