Natural History Wanderings

The LA Times reports

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.

U.S. Geological Survey biologist Jeffrey Lovich, who has monitored tortoises in and around the park for two decades, said the potentially lethal response to prolonged drought may become more common throughout the Southern California desert as temperatures rise and forage diminishes.

Read full story at  An ‘evolutionary gamble’ may be killing Joshua Tree’s mother tortoises – LA Times