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Look Closely

Black Spruce

These black spruce trees (Picea mariana) are stunted from growing in the bog's wet, acidic ground.

Scarred Ear

Fighting moose can sustain serious injuries, such as broken bones, internal bleeding, and gouged eyes.

Eye Orientation

Fighting moose roll their eyes to see better and send signals. This bull's downward-cast eye means he is holding his ground. 

Shed Antler

Male moose grow new antlers every year. They shed them after the mating season when the testosterone levels decline. 

Boreal Forest

The boreal forest is a broad swath of trees, often stunted and consisting mainly of larch, willow, pine, and spruce, that covers northern North America and Eurasia.


Wild animals often have marks of violent encounters. This bear may have struggled with prey or other bears.

Sockeye Salmon

As spawning nears, these silvery fish (Oncorhynchus nerka) turn bright red.

North American River Otter

North American river otters (Lontra canadensis) usually consume their aquatic prey underwater, but will drag larger catches on land to eat.

Aghileen Pinnacles

The Aghileen Pinnacles consist of volcanic rock, like the whole Alaska Peninsula. These spires have not been eroded by glaciers.

American Dunegrass

In this diorama, new shoots of American dunegrass (Leymus mollis)—which bears eat—have not yet sprouted in the peninsula’s cool spring temperatures.


American Museum of Natural History

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