Reptile Walk opens tomorrow! www.sandiegozoo.org/nighttimezoo/reptilewalk

Reptile Walk opens tomorrow! www.sandiegozoo.org/nighttimezoo/reptilewalk

Natrix Natrix

Natrix Natrix

The round pupil in a lizard is generally better adapted for diurnal species whereas slit pupils are found in nocturnal species.  Most lizards can see in color and some have opsin proteins which allow them to see in ultraviolet wavelengths that the human eye cannot perceive.

The round pupil in a lizard is generally better adapted for diurnal species whereas slit pupils are found in nocturnal species. Most lizards can see in color and some have opsin proteins which allow them to see in ultraviolet wavelengths that the human eye cannot perceive.

Rattled by Paul Keates | Rattlesnakes are considered to be the newest or most recently evolved snakes in the world. They have either a rattle or a partial rattle made of interlocking rings, or segments of keratin, the same material our fingernails are made of. When vibrated, the rattle creates a hissing sound that warns off potential predators.

Rattled by Paul Keates | Rattlesnakes are considered to be the newest or most recently evolved snakes in the world. They have either a rattle or a partial rattle made of interlocking rings, or segments of keratin, the same material our fingernails are made of. When vibrated, the rattle creates a hissing sound that warns off potential predators.

This wee guy makes me laugh! Such a silly looking thing! Newly-discovered chameleon Brookesia desperata, so named because the species is facing such extreme threats.

World's Tiniest Chameleon Discovered

This wee guy makes me laugh! Such a silly looking thing! Newly-discovered chameleon Brookesia desperata, so named because the species is facing such extreme threats.

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