DENVER— Conservation groups today sent a formal notice of their intent to sue the U.S. Fish and Wildlife Service for failing to take steps to protect the pygmy rabbit, the world’s smallest rabbit, ...

As rabbits go, “cute and cuddly” is often the standard. But there is one rabbit that is considered to be “scientifically cute” — the smallest rabbit in the world, the pygmy rabbit.

Small enough to fit in your hand, pygmy rabbits are the world’s smallest rabbit. They’re also the only North American rabbits who dig their own burrows. They need continuous expanses of sagebrush for ...

In North America, only two rabbits dig their own burrows — one of them is smallest rabbit in the world: the pygmy rabbit. When it comes to reproduction, other rabbit mothers-to-be will scoop out ...