On The Trail of Slots

“Studies of animals and their physiological parameters are
important for several reasons. This is a comprehensive study of
sloths. Sloths have existed since prehistoric times. While they once
ranged widely across the Americas—from Alaska to Tierra del Fuego
—today they are found only from Central America (Panama) to South
America (as far south as Rio de Janeiro, Brazil). This book—written
by scholars from the UK and Brazil.”