Overview

These snakes can go for months without eating, grow and shrink the size of their hearts and jump start their metabolism on a dime.
Details
(Image credit: Ari Daniel for NPR)
Source
Originally published at www.npr.org.
These snakes can go for months without eating, grow and shrink the size of their hearts and jump start their metabolism on a dime.

These snakes can go for months without eating, grow and shrink the size of their hearts and jump start their metabolism on a dime.
(Image credit: Ari Daniel for NPR)
Originally published at www.npr.org.