This is an identification guide for recognizing what critters went before you. It includes illust...

This revised and updated edition features the tracks, scats, and signs of 70 different species in...

This revised and updated edition features the tracks, scats, and signs of 70 different species of...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...

This revised and updated edition features the tracks, scats, and signs of the species of the Sout...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...

A dazzling photographic and scientific portrait of how wolves are changing the very nature of Yel...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...

See those animal signs on the trail? Was that footprint left by a fox or a wolf? Was that pile of...