When alarmed, this second-largest rodent smacks its broad, flat tail against the water
The pilot whale is one of the larger members of this family of mammals
The name of this class of mollusks comes from the Greek for "belly foot"
This South American native has been domesticated for more than 4,000 years
This shaggy load-bearer is also an important milk & food source
The average day of this wild canine is spent hunting & scavenging
"Snow" creature seen here
This domestic animal's circling movement before lying down goes back to a grass-flattening behavior
Salmon depend mainly on this sense to find their native rivers
Some frogs retract their eyes to help them do this after catching a fly