UnScramble this Word: y r a o m?

Questions

The giant African ---------- grows to a foot long and reaches weights greater than a pound.?

Unrelated to the chicken, the male ---------- bird earned the name "cock" because of its rooster-like appearance and combative behavior. The female of the species influenced the word "rock" being added to the name because of her habit of nesting and rearing the young in sheltered rock niches.?

The ruby-throated hummingbird beats its wings at the incredibly rapid speed of 50 to 70 times a second. If a 170-pound man expended energy at the rate of the hummingbird, he would have to eat 285 pounds of hamburger or twice his weight in potatoes each day in order to maintain his weight. He would have to evaporate 100 pounds of perspiration per hour to keep his skin temperature below the ----------?

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.?