Misc: what bombay-born writer was called the bard of empire?

Questions

---------- are freeze-tolerant and spend winters frozen on land, only to thaw in the spring and begin their breeding process in vernal ponds.?

You can identify a ---------- bear's mark by the sign of five claws. A black bear will lacerate a tree trunk with four claws.?

You can tell the sex of a horse by its teeth. Most males have 40, females have ----------?

You could milk about ---------- cows per hour by hand, but with modern machinery, you can milk up to 100 cows per hour.?

Young birds such as ducks, geese, and shore birds are born with their ----------?