1-24 of 53 Books

How to hide a butterfly & other insects
By Ruth Heller

How to hide a polar bear & other mammals
By Ruth Heller

How to hide a crocodile & other reptiles
By Ruth Heller

Ruth Heller's how to hide a meadow frog & other amphibians
By Ruth Heller

How to hide a whip-poor-will & other birds
By Ruth Heller
Concealing coloration in animals
Concealing coloration in animals
By Judy Diamond

Ruth Heller's how to hide a gray treefrog & other amphibians
By Ruth Heller
Animals undercover
Animals undercover
By Madeleine Fortescue
צבעי מגן אצל בעלי־חיים
צבעי מגן אצל בעלי־חיים
By L. Shṭam,Y. Margolin,B. Fishḳo
On the immunity coloration of some nudibranchs
On the immunity coloration of some nudibranchs
By William John Crozier
Why does the tiger have stripes?
Why does the tiger have stripes?
By Jane Davis
The relationship of island area and isolation to color polymorphism in Liguus fasciatus (Pulmonata, Bulimulidae)
The relationship of island area and isolation to color polymorphism in Liguus fasciatus (Pulmonata, Bulimulidae)
By Michael A. Rex