Captive hyenas outfox wild relatives

(Phys.org)—When it comes to solving puzzles, animals in captivity are, well, different animals than their wild brethren.

Piranha tops T Rex in the bite league, study finds

Outsized jaw muscles allow the black piranha to exert bite force equivalent to 30 times its bodyweight, a feat unmatched in the natural world, according to results of a finger-risking study published Thursday.

Fasting for Lent forces hyenas to change diet

Many Christians give up certain foods for Lent, however ecologists have discovered these changes in human diet have a dramatic impact on the diet of wild animals. In Ethiopia, members of the Orthodox Tewahedo Church stop ...

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