Striped mackerel are filter feeders opening their cavernous mouths as they swim and sieving zooplankton from the water with their gill rakers acting like a net.

@nature

Soubatar countryside. Gilan. Iran.
Photo Hamid Shokouhi

@nature

Mandarin Duck

@nature

Ten of the best photos of nature in 2017 by National Geographic:

#1

@nature

#2

@nature

#3

@nature

#4

@nature

#5

@nature

#6

@nature

#7

@nature

#8

@nature

#9

@nature

#10

@nature

A crocodile cruises by photographer Fabrice Dudenhofer in Cuba's Jardines de la Reina, or "Gardens of the Queen."

@nature

Looks amazing 🦈

@nature

Yosemite National Park, California

@nature

First howling lesson for coyote pups, northern Minnesota.

@nature

Artic Fox.
Westfjords, Iceland

@nature

Norway

@nature