Misc: What cat is unable to draw its claws into its paws?

Questions

The owl is the only bird to drop its upper eyelid to wink. All other birds raise their lower ----------?

The fastest of all fish in the sea is the ----------, streaming forward at speeds near 68 miles per hour.?

Some species of earthworms in ---------- can measure more than ten feet in length.?

Thinking that its parents were a camel and a leopard, the Europeans once called the animal a "camelopard." Today, it is called the ----------?

The owl parrot can't fly, and builds its nest under tree ----------?