Wildlife

Pet rats live 2 to 3 years, wild rats rarely a full year. The numbers per rat type, what kills them, rat years in human years and the signs of the end.

The black eyed tree frog, Agalychnis moreletii, in numbers: adult size, call, toxicity, legality, price and full terrarium care, plus how it differs from the red eyed tree frog.

The glass frog has belly skin clear enough to show its heart and gut. Here is how the transparency works, where the 160 species live, and what one costs.

Tremper, Bell and Rainwater albinos compared: how to tell them apart, what each costs, why the strains do not mix, and the one care difference that matters.

Mud turtles stay 3 to 6.5 in for life and can pass 50 years. Species ID, habitat, legal keeping, tank size, and how they differ from musk turtles.

The six morph groups behind every breeder list, what each costs in the US, and the two lines linked to neurological disease and skin tumors.

A wolf howl is a regroup call and a border warning, not a cry at the moon. What it means, how far it travels, and how to tell it from a coyote in one listen.

Twelve true foxes live in the genus Vulpes, and about eleven more animals carry the name without belonging to it. Here is how to tell them apart, starting with the five that live in the US.

An orange iguana is either a male green iguana in winter breeding color or a bred red morph. Which one you are looking at, what it costs, and how it behaves.

Coyotes are crepuscular, not nocturnal. Why city coyotes move only at night, what a daytime sighting really means, and when they are most active.