‘Chipmunk shark’ lurked 340 million years ago. Its teeth were just found in Kentucky
A shark no larger than a human hand that stalked the ancient sea floor 340 million years ago has been dubbed the “chipmunk shark” by researchers who found its fossils in Kentucky. Clavusodens ...
National Parks Traveler14 小时
New Shark Species Identified At Mammoth Cave National Park
A new species of shark has been discovered a Mammoth Cave National Park, where fossil records have revealed more than 70 ...
来自MSN13 天
Squirrel vs. Chipmunk: What’s The Difference?
From Alvin and the Chipmunks to Over the Hedge, both squirrels and chipmunks have featured in some of the best animated ...
Center for Biological Diversity3 个月
New Mexico Chipmunk Protected by Endangered Species Act
SILVER CITY, N.M.— Following a decade of advocacy from the Center for Biological Diversity and allies, the U.S. Fish and Wildlife Service today added the Peñasco least chipmunk of southeastern New ...