Mammal Life List

Updated May 29, 2020

This is my list of all the mammals I have recorded while traveling for Notes from the Road.

American Pika

Arctic Ground Squirrel

Arctic Ground Squirrel

Barbary Macaque


Bighorn Sheep

Black Agouti

Black Bear

Black Howler Monkey

Black-mantled Tamarin

Black-tailed Jack Rabbit

Black-tailed Prairie Dog

Blue Whale

Bottlenose Dolphin

Brown Capuchin

Brush Rabbit


California Ground Squirrel

California Sea Lion



Caribou in Nome

Central American Agouti


Central American Wooly Opossum

Wooly Opossum

I first saw these incredible marsupials on Isla Bastimentos, Panama.


Collared Peccary

Common Possum




Coypu (Nutria)

Dall's Porpoise

Dall's Porpoise

Desert Cottontail Rabbit

Desert Kangaroo Rat

Douglas Squirrel

Dusky Titi Monkey

Eastern Fox Squirrel

Eastern Fox Squirrel

Eastern Gray Squirrel

Eastern Red Squirrel

Elephant Seal


European Mink

Fin Whale

Fishing Bat

Golden-mantled Ground Squirrel

Gray Fox

Gray Whale

Harbour Porpoise

Harbour Seal

Harris' Antelope Squirrel

Hawaiian Monk Seal

Hopi Chipmunk

Humpback Whale


Kit Fox

Least Chipmunk

Lesser White-lined Bat

Long-beaked Common Dolphin

Long-nosed Bat

Long-nosed Bat

Mantled Howler Monkey

Mantled Howler Monkey

Marsh Rabbit

Marsh Rabbit



Mule Deer

Mule Deer

Musk Ox


I wrote about my encounter with a male muskox in Midnight Road to Beringia.

Northern Fur Seal

Northern Raccoon

Northern Tamandua

Orange nectar-feeding bat

Orange Nectar-Feeding Bat

Photographed near El Valle de Anton, Panama.

Pacific White-sided Dolphin

Panamanian Night Monkey

Panamanian Night Monkey



Photographed while on the Loneliest Road in Nevada.

Red Fox

Red Howler

Red Howler

Red Squirrel

Red-ear Agouti

Red-eared Agouti

Red-tailed Squirrel

River Otter

Rock Squirrel

Round-tailed Ground Squirrel

Round Tailed Ground Squirrel

Sea Otter

Sei Whale

Small Asian Mongoose

Spider Monkey

Spix's Night Monkey

Spotted Seal

Squirrel Monkey

Stellar's Sea Lion

Striped Hog-Nosed Skunk



Tent-making Bat

Thirteen-Lined Squirrel

Three-toed Sloth

Three Toed Sloth

Townsend's Chipmunk

Two-toed Sloth

Variegated Squirrel

Water Opposum

Western Brush Rabbit

Western Short-Legged Bat

Western Pipistrelle Bat

Western-Spotted Skunk

White Sacwing Bat

White-faced Capuchin

White Faced Capuchin

Photographed in Soberania National Park.

White-lipped Peccary

White-nosed Coati

White-tailed Antelope Squirrel

White-tailed Deer

Yellow-bellied Marmot

Explore more in About Us

A list of all the amphibians I've seen in my life, with illustrations.

A list of all the birds I've seen in my life, with illustrations.

A list of all the butterflies I've identified in my life, with photographs.

A list of all the reptiles I've identfiied in my life, with illustrations.

Write to Erik Gauger of Notes from the Road

A list of all the Odonata insects I've seen in my life, with illustrations.

A list of all the mammals I've seen in my life.

A collection of photographs of spiders and other arachnids I've seen while photographing for Notes from the Road.

My list of extraordinary road-trip approved Grateful Dead jams.

My list of the best Phish jams for traveling and road trips.

My gallery of feral, stray and wild country cats.