Poison dart frog
What makes poison dart frog resistant to their own poison?
Poison dart frogs store Batrachotoxin, a steroidal alkaloid toxin in their skin glands. A single amino acid substitution is responsible for the resistance to their on poison in these frogs.
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Pink fairy armadillo
The pink fairy armadillo (Chlamyphorus truncatus) or pichiciego is the smallest species of armadillo. This desert-adapted animal is endemic to central Argentina and can be found inhabiting sandy plains, dunes, and scrubby grasslands.
