Misc: What is a 'yesterday, today and tomorrow'?

Questions

Due to a retinal adaptation that reflects light back to the retina, the night vision of tigers is six times better than that of ----------?

Ancient Egyptians believed that "Bast" was the mother of all cats on Earth. They also believed that cats were ----------?

During the mating season, male ---------- bristle their quills at each other and chatter their teeth in rage before attacking. All ---------- at this time become very vocal: grunting, whining, chattering, even barking and mewing at each other.?

Antlers and horns are not the same. Horns grow throughout an animal's life and are found on both the male and female of a species. Antlers, composed of a different chemical substance, are shed ----------?

---------- is one American breed of hardy hogs having drooping ears - it was allegedly named after the horse owned by the hog's breeder.?