In ancient Rome, auburn-haired puppies were sacrificed to ensure a plentiful ----------?
Communication within the prairie dog community is crucial to the creatures' survival. An appointed sentry, spotting a predator, will give a distinctive warning cry, which instantly sends all others grabbing up babies and scurrying to the safety of their burrows. An all-clear call later announces that danger is passed. Experts are fascinated by the prairie dogs' ----------?
Ostriches live about 75 years and can reproduce for ----------?
In England, the most commonly used guide dog for the blind is the Yellow ----------?
In Korea, the deer is a symbol of long life, and is often portrayed in the company of ----------?