Study: Pygmy owl numbers down in Mexico
234981
A university study shows the population of a tiny endangered owl in northern Mexico has declined by an estimated 26 percent over the last seven years, a finding that environmentalists said bolsters their arguments for greater protection for the bird in Arizona.
103383
MONTERREY, Mexico - Health authorities in the northern state of Chihuahua said Tuesday they are recruiting hundreds of cats to fight hundreds of thousands of rats.    Chihuahua state officials say they hope to collect as many as 700 felines and send them to Atascaderos, an isolated farm village in the rugged Tarahumara mountains, a region where officials estimate there are about a half million rats...
630378
The number of large mammals has fallen sharply across most of the planet as a result of human activity, a study says.
705152
MEXICO CITY - For one northern Mexican town, an army of cats seemed like the best strategy against a plague of mice. But the cats proved no match for the problem, and now the town is pinning its hopes on a more lethal predator: men armed with cash incentives.
54412
A U.S. study focusing on global sea turtle populations has found that half a dozen species are still endangered or threatened despite promising increases in the number of adult females and nests, U.S. wildlife officials said Thursday.
80440
Insects in the UK are less common than many of us think, a simple test by birdlovers suggests.
610753
North American bison populations suffered a sharp decline long before humans inhabited the continent, indicating that environmental factors, not hunting, wiped out the animals, according to a study published in the journal Science.
763087
Species in the air and on the ground are in deep trouble, according to two recent studies tallying steep declines in bird and amphibian populations. Scientists are speculating about the causes.
386566
The rabbit-size rodents were once said to be headed for extinction, but now scientists say there are three times more of them on the African island than had been thought.
236751
The only surviving pair of endangered pygmy rabbits released as part of a program to increase their numbers in the wild have dodged coyotes, badgers, hawks and owls and found time for love.
443868
A new Audubon study is one of the most comprehensive looks at bird-population trends in North America.
685027
Around 30% of North America&#39;s bird species are declining significantly according to a new report from The National Audubon Society (BirdLife in the US).
14506
By Ray Sasser, The Dallas Morning News  Feb. 11--COSALA, Mexico -- Like all fishermen, the osprey perched atop a lofty saguaro cactus did not appreciate being crowded. Ron Speed's fishing boat interrupted the fish eagle's breakfast.
331327
Almost 30 percent of bird populations in North America are facing a &quot;significant decline,&quot; The National Audubon Society said in its first &quot;The State of the Birds&quot; report Tuesday.
109661
RIO GRANDE CITY, Texas  - Mauro Morales has chickens in his yard, deer antlers hanging from the fence and a shed full of peyote behind his house.
238271
WASHINGTON - Small owls that scatter mammal dung around the entrances to their underground burrows may be wiser than the practice would seem to suggest.
407157
Several common species of North American birds have suffered drastic population declines since the arrival of the West Nile virus eight years ago, leaving rural and suburban areas quieter than they used to be and imposing ecological stresses on a variety of other animals and plants, a new study has...