useless trivia: What Word Means: A Girl - A Foal?

Questions

When young abalones feed on red seaweed, their shells turn ----------?

The star-nosed mole, with 22 pink ---------- on its snout, is said to have the most delicate sense of touch in the animal world.?

When young, the hoatzin, a crested, olive-colored South American bird, has claws on its ----------?

The stegosaurus had a brain that weighed only 2 ounces and was no bigger than a ----------?

While awake, hummingbirds must eat at least every 30 minutes or they will starve to death. They need to eat 2.5 times their body weight every day - this takes hundreds of ---------- everyday.?