The death knell for the sooty crayfish probably sounded with the introduction of its cousin from the north.
Eulogy for a Crayfish We Hardly Knew
January 18, 2024 •
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The death knell for the sooty crayfish probably sounded with the introduction of its cousin from the north.
After dipping below its potential “extinction threshold,” the beloved butterfly population crashed again in 2020.
Two biologists discuss Earth’s alarming extinction rate.