Using comb-shaped teeth, Baikal seals feed on tiny crustaceans like whales do

In Siberia, the freshwater mammals expertly hunt macaroni-sized amphipods

Baikal seal

A Baikal seal (Pusa sibirica) hauls out on the frozen surface of Russia’s Lake Baikal. The seals have recently been observed hunting the lake’s endemic amphipods.

Westend61 GmbH/Alamy Stock Photo

Baikal seals are fans of bite-sized portions, and this dietary quirk may be why the seals are thriving.