egg-bird

noun4

1. •
   (old-fashioned) Any of several species of tern.
2. •
   (old-fashioned) The white-fronted tern (Sterna striata).
3. •
   (old-fashioned) The sooty tern (Onychoprion fuscatus) of the West Indies.
4. •
   (old-fashioned) The white-tailed tropicbird (Phaethon lepturus).