Shell of a predatory mollusc on the sea shore - South Africa

Shell of a predatory mollusc in the shallows with unidentified person walking in the background - South Africa

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

A desert tortoise, found only in the Mojave and Sonoran deserts of South West American and Northern Mexico

Selection of shells of marine snails, an illustration of biodiversity - African coasts

Pair of bushveld land snails shot in a studio setting, dorsal view

Close up of two bushveld land snails shot in a studio setting

Bushveld land snail shot in a studio setting