nature images - Joel Sartore

Photo

WOL003-00002

For the first time in decades, wolves again chase elk through the Lamar Valley of Yellowstone. The reintroduction of wolves has been a great success, drawing a new generation of visitors to the park.

Photo

BIR067-00051

The National Aviary of Colombia (Aviario Nacional de Colombia).

Photo

BIR065-00095

An umbrella, or white, cockatoo (Cacatua alba) at the Bramble Park Zoo.

Photo

BIR059-00476

American crow (Corvus brachyrhynchos) at the Sutton Avian Research Center.

Photo

PLA032-00004

A seeded eucalyptus (Eucalyptus polyanthemos).

Photo

PLA032-00003

A Seeded eucalyptus (Eucalyptus polyanthemos).

Photo

WOL002-00128

A federally endangered captive gray wolf, Canis lupus, licks his nose.

Photo

ANI082-00194

Bull trout swim 50 miles upstream from Lake Koocanusa to spawn in the Wigwam River drainage.

Photo

BIR022-00105

A male sage grouse splays tail feathers to attract a mate.

Photo

SCE054-00021

Baboons near the Ishasha section of QENP.

Photo

SCE054-00022

At dusk, a hippo stares down a remote camera placed at a favorite water hole in Queen Elizabeth National Park, Uganda.

Photo

SCE054-00023

An infrared camera trap captures hyenas near their den in the Queen Elizabeth National Park in Uganda.

Photo

A lioness feeds on the remains of a cow inside Queen Elizabeth National Park in Uganda. As the human population grows in East Africa, more cattle are pushed into the park, leading to more lion kills–and more poisoning of the lions by cattlemen.

Photo

SCE054-00017

With the great antelope herds gone, dung beetles now make use of horse manure along Lake Albert in the Albertine Rift of Uganda.

Photo

SCE054-00019

A warthog lies down and gets cleaned of parasites by a group of banded mongoose near Mweya Lodge. This is the only place in the world where such a ‘mammal cleaning station’ is known.

Photo

SCE054-00020

A waterbuck is surrounded by cattle inside Queen Elizabeth National Park. The cattle are in the park illegally, and conflicts arise daily when lions find the cows to be easy prey.

Photo

SCE054-00011

Giraffe can be found in great numbers again in Uganda’s Murchison Falls National Park, but perhaps not for long. The government has been approving oil drilling, which will introduce more roads and disrupt the animals in their already reduced and fragile habitat.