That, or all the crayons the original commenter has been devouring (username).

Gay tortoises are tastier.

Not my line of expertise, but I'd guess it's little different from us humans in that there's nothing technical preventing reproduction with a member of the opposite sex - just a matter of desire to.

Maybe the list of animals displaying homosexual behavior on Wikipedia can be a good starting place for research should you genuinely be curious about this.

Weaker/smaller male cuttlefish will pretend to be female cuttlefish, take “dick” (hectocotylus) from stronger male cuttlefish, and then use the distraction to breed with a female.

I smell an aquatic sequel: Humpback Trench

In stead of Jake Gyllenhaal and Heath Ledger when he was alive, it'll star an actual humpback whale and the remains of no longer alive Heath Ledger

Heath Ledger will still be amongst a whopping 64 posthumous Oscar nominees, but the only one to be nominated for posthumous accomplishments.