Endangered Species

The Secret Life of the Adder

Untamed

Africa's Wild Dogs

The Good Bee

Animosity

Extinct Birds An attempt to unite in one volume a short account of those Birds which have become extinct in historical times

The Black Fawn

Invasive Plants

The Genera of Phyllomedusine Frogs (Anura: Hylidae)

Our Vanishing Wild Life: Its Extermination and Preservation

A New Subspecies of Slider Turtle (Pseudemys scripta) from Coahuila, México