1.   Many a time he commented upon the mental rapport he found with his most intelligent animals.

2.   Man is a highly intelligent animal.

3.   But equating the consumption of intelligent animals with inferior civilization is to step onto a slippery slope.

4.   Keeping groups intact reduces stress, because hogs are social and intelligent animals, Meyers said.

5.   Not the wild critters that live in the barn and play in the wood pile, but the highly intelligent domesticated animals that make great pets.

6.   Prompted by the observation that play seems confined to the most intelligent animals, Byers looked at the behavior and brain size of various marsupials.

7.   Scientists are just beginning to realize how sophisticated communication can become between humans and dolphins, elephants and other highly intelligent animals, Moore said.

8.   Seeing a highly intelligent animal like a dolphin or a chimpanzee, people cannot resist imputing to it whatever they would feel in the same context.

9.   Pigs are intelligent animals, says Xu, a New Yorker.