Newspaper article The Christian Science Monitor

Wild Things ; on the Sofa, Sea, or Savannah, Animals Teach Us

Newspaper article The Christian Science Monitor

Wild Things ; on the Sofa, Sea, or Savannah, Animals Teach Us

Article excerpt

It crept up under the loose covers at the bottom of the bed and grabbed Jessie's toes. Jessie jolted awake, reached under the covers, and found the kitten. "What do you think you are, a shark?" she asked it. "A bed shark, I suppose?"

The kitten mewed softly and batted at Jessie's scolding finger. This furry critter was no smooth, wakeful eating machine. When he's not sleeping, he's playing.

Calling Gurgi a "bed shark" made us think of the differences among animals. It also started us thinking about how animals from very different species can be similar. The house cat you've lived with all your life is just as splendid as the tiger in the zoo or the sea otters that swim and play constantly at the aquarium. The squirrels in the backyard, the pigeons in the park, the goldfish in the bowl, and the dog that chases a ball may seem ordinary only because we're used to them. But each is astonishing in its own way.

The trick is learning to see them with fresh eyes. Each one of us can become an amateur animal behaviorist - a scientist who studies the behavior of animals. It's all a matter of watching animals carefully, patiently, and then asking ourselves why. Why is this cat rubbing up against my leg? Why does she meow? Why do kittens sneak up under the covers to bat at unsuspecting human toes?

Denver's Ocean Journey aquarium has real tigers in a habitat designed to give them lots of climbing and swimming space (tigers like to swim!). The big cats have great soft heads and beautiful eyes. But humans can't go near them, no matter how playful they seem. They are wild.

Big cats have lots in common with your cat, though. Big or small, cats can see much better than humans can in the dark. Have you noticed cats' eyes? In the daytime, the pupils of a cat's eyes (the dark part) are long narrow slits. But at night, the pupil dilates (gets big and round) to let in more light. That's because cats are actually nocturnal (nighttime) animals. Have you ever noticed that a cat's pupils dilate when it's playing hard chasing a feather or string? Why do you think that is?

"When animals are excited, their pupils dilate," says Fred Bercovitch, animal behaviorist of the San Diego Zoo. [See story on next page.] So there are different reasons for a cat's eyes to look big.

Why otters need whiskers

What about those whiskers? Cats' whiskers, you probably know already, help them find their way in the dark, too. Cats use their whiskers to feel whether they can fit through an opening, Mr. Bercovitch says. Tigers also need sensitive whiskers to get around the jungle at night.

But what about those whiskers on the sea otters at the zoo or aquarium? "We believe the whiskers of otters help them detect vibrations in the water when they are gliding," Bercovitch says. Feeling vibrations in the water could help them catch fish or warn them about predators or boats coming near. …

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