An 'evolutionary gamble' may be killing Joshua Tree's mother tortoises.

Wildlife biologists say an alarming number of female desert tortoise carcasses found earlier this year just outside the southern edge of Joshua Tree National Park may be the result of mothers fighting extinction by exhausting their water and energy to lay eggs, even under stress.

http://www.latimes.com/local/california/la-me-tortoise-survival-20170515-story.html

Anotado por biohexx1 biohexx1, mayo 22, lunes 21:03

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