Misc: A baby doctor is a ?

Questions

The female knot-tying weaverbird will refuse to mate with a male who has built a shoddy nest. If spurned, the male must take the nest apart and completely rebuild it in order to win the ---------- of the female.?

Strange creatures, jellyfish are comprised mostly of water - more than 95 percent - and have no brain, heart, or bones, and no actual ----------?

The female pigeon cannot lay eggs if she is alone. In order for her ovaries to function, she must be able to see another pigeon. If no other pigeon is available, her own ---------- in a mirror will suffice.?

Sue, the world's largest, most complete, and best preserved ----------, made her grand debut to the public on May 17, 2000 at the Field Museum in Chicago, Illinois.?

Surviving all dangers, a wild ---------- may live up to 20 years.?