Animal communication

1. Howler monkeys — can be heard two miles away

2. Adult lion's roar — can be heard five miles away

3. Blue whales — "hum" heard by blue whales within 10,000 miles

4. Baleen whales — other baleen whales hear 50 miles away

5. Hyenas — hear other hyenas eating two miles away

6. Tigers — can be heard three miles away


© World Features Syndicate