With ospreys incubating eggs for between 35-40 days, rangers hope to see a hatchling at the end of May.

BBC: Perthshire osprey 'Lady' lays first egg of season

It's not an easy business, given that the fish take a good nine years to grow from hatchling to roe-producing adult.

FORBES: Magazine Article

" And I was actually put out when she called the hatchling that emerged from the egg at the end of the story "a hermaphrodite" and a "transgender baby.

WSJ: Parsing the Fun in Life