People can whelp on about the minutae all they want, but let them try and copy.
From the guardian.co.uk
I wonder if our tax dollars are going to pay for an illegal to spawn an whelp here?
From the orlandosentinel.com
At first, Medicine Ball Caravan looks like another whelp from the Woodstock litter.
From the time.com
Ninety per cent of the estimated 600,000 hooded seals in the world whelp off the coast of Labrador.
From the sciencedaily.com
Old females usually whelp in the den of their previous litter, while younger females typically den near their birthplace.
From the en.wikipedia.org
His mother couldn't whelp properly and, alone in agony, in a filthy barn, she pulled him out, tearing his foot partially off.
From the henleystandard.co.uk
Was it a whopper or a whelp?
From the post-gazette.com
Amaethon, Gwydion's brother, steals a white roebuck and a whelp from Arawn, king of the otherworld, leading to a great battle.
From the en.wikipedia.org
Amaethon, one of the sons of Don, steals a white roebuck and a whelp from Arawn, king of the otherworld, leading to a great battle.
From the en.wikipedia.org
More examples
Pup: young of any of various canines such as a dog or wolf
Birth; "the dog whelped"
The young of a mammal; an insolent youth; one of several wooden strips to prevent wear on a windlass on a clipper-era ship; a tooth on a sprocket wheel (compare sprocket, def. 2; cog, def. 1); to give birth
(Whelping) The act of giving birth.
(Whelping) the procedure during which a female dog gives birth to puppies.
Whelping is the name given to parturition (giving birth) in dogs.