Identifying the sex of animals can be difficult at first glance, depending on the species and their appearance. Lizards, ...

What began as a normal day of reptile care quickly turned into an unexpected discovery inside the enclosure A lizard believed to be male suddenly revealed signs that challenged earlier assumptions abo ...

"First published in the United States in 2001 ... reprinted with corrections in 2002." Authors' introduction -- How this book works -- What is an amphibian? -- What is a reptile? -- Amphibian ...