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In a desert seared by climate change, burrowers fare better than birds

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IMAGE: A sage thrasher perches on a shrub near Kelleys Well in Inyo County, California. The Mojave Desert s bird populations have been hit hard by climate change, but a new study.
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Credit: Chelsea Hofmeier photo
Berkeley In the arid Mojave Desert, small burrowing mammals like the cactus mouse, the kangaroo rat and the white-tailed antelope squirrel are weathering the hotter, drier conditions triggered by climate change much better than their winged counterparts, finds a new study published today in
Science.
Over the past century, climate change has continuously nudged the Mojave s searing summer temperatures ever higher, and the blazing heat has taken its toll on the desert s birds. Researchers have documented a collapse in the region s bird populations, likely resulting from many bird species inability to withstand these new hotter temperatures ....

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Desert mammals survive climate change underground. For birds, it's a different story

SAN DIEGO
In the struggle to survive the ever hotter deserts of California, there are winners and losers.
Among the losers are desert birds, whose populations have collapsed amid the heat stress of climate change. The winners, it turns out, are small burrowing mammals, including the cactus mouse, kangaroo rat and white-tailed antelope squirrel, which take refuge from the sun underground.
Researchers, including scientists from the San Diego Natural History Museum, published those results in the journal Science this month, noting that the stable mammal populations formed a hopeful contrast to the dire condition of birds.
“Why was the mammal community relatively stable compared to the bird community?” asked study co-author Lori Hargrove, an ecologist at the San Diego Natural History Museum. “Birds had a higher evaporative heat loss. Birds were more exposed to the effects of warming, so they had higher energy costs to maintain their body temperature, wherea ....

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Desert creatures survive climate change underground

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In the struggle to survive the ever hotter deserts of California, there are winners and losers.
Among the losers are desert birds, whose populations have collapsed amid the heat stress of climate change. The winners, it turns out, are small burrowing mammals, including the the cactus mouse, kangaroo rat and white-tailed antelope squirrel, which take refuge from the sun underground.
Researchers, including scientists from the San Diego Natural History Museum, published those results in the journal Science this month, noting that the stable mammal populations formed a hopeful contrast to the dire condition of birds.
“Why was the mammal community relatively stable compared to the bird community?” asked study co-author Lori Hargrove, an ecologist at the San Diego Natural History Museum. “Birds had a higher evaporative heat loss. Birds were more exposed to the effects of warming, so they had higher energy costs to maintain their body temperature, whereas mamm ....

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UC Berkeley study shows effects of climate change on desert animals

UC Berkeley study shows effects of climate change on desert animals
Rennett Stowe/Creative Commons
A study by UC Berkeley found that small mammals may be better adapted than birds to the increasing temperatures of California’s deserts caused by climate change. Rennett Stowe under CC BY-SA 2.0
Small mammals may be better adapted than birds to the increasing temperatures of California’s deserts caused by climate change, according to a study by UC Berkeley researchers published Friday.
The study found that while small desert mammal species have largely maintained their numbers over the past century, the numbers of bird species have dropped as temperatures have risen. The only species of bird whose numbers have increased is the common raven, according to senior author and campus professor Steven Beissinger. ....

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Rising Mojave Desert temps hurt birds more than mammals

Climate change in the Mojave Desert affects birds like the prairie falcon a lot more than cactus mice and other mammals, a new study shows. ....

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