Feb 4, 2013

U.S. cats kill billions of birds and mammals annually

Outdoor cats account for the leading cause of death among both birds and mammals in the U.S., according to a new study, killing anywhere between 1.4 billion and 3.7 billion birds each year. The mammalian toll is even higher, concluded researchers from the Smithsonian ...

Jan 25, 2013

Study slams 'alarmist' species extinction fears

Fears that most of the Earth’s species will become extinct before they have even been discovered by science are “alarmist,” according to an international study released Friday. Researchers set out to examine estimates that there were 100 million species worldwide and they are dying ...