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France's wolf population rises further to 580 adults

France's wild wolf population rose again last year, with officials counting 580 adults at winter's end compared with an average of 530 a year ago, France's OFB biodiversity agency said Tuesday.

Wildlife managers use pup fostering to boost wolf genetics

A record number of captive-born wolf pups has been placed into the wild as part of an effort by federal and state wildlife managers to boost the genetic diversity among Mexican gray wolves in the Southwestern United States.

Tweaking the approach to save the desert tortoise

"Increase the size, increase the survival" is the premise behind head-starting—raising an at-risk species in captivity until it is large enough to be less vulnerable to predators after release into the wild. But research ...

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