Misc: What do peacocks mate with?

Questions

The giant ---------- is the largest creature without a backbone. It weighs up to 2.5 tons and grows up to 55 feet long. Each eye is a foot or more in diameter.?

---------- bats do not suck blood. They bite, then lick up the flow.?

The Rufous is the only species of hummingbird to nest in Alaska. They migrate 2,000 miles to Mexico each winter, and then back to Alaska in the ----------?

The giraffe's ---------- is huge; it weighs 25 pounds, is 2 feet long, and has walls up to 3 inches thick.?

---------- need about 2 tablespoonfuls of blood each day. The creature is able to extract its dinner in approximately 20 minutes.?