Such differences will grow as strains are bred in captivity.
Several birds never before bred in captivity have hatched & fed their young in public view.
The first one bred in captivity was born here in 1943.
Okapis have been exhibited in many zoological gardens and have been successfully bred in captivity.
Easily bred in captivity, females bear two litters of six or seven young each year.
Atka, whose name means "guardian spirit" in Inuit, was bred in captivity, which explains his gregariousness.
Although a few of SeaWorld's orcas were born in the wild, the majority were bred in captivity by the company.
It's that they never learned, and never will, because they are descendants of birds bred in captivity.
Least disturbing to me were the cages of budgies and munias that had possibly been bred in captivity.
Eric Goode, who heads the Turtle Conservancy, says the turtles do not appear to have been bred in captivity.
The Arabian oryx extinct in the wild was successfully bred in captivity and reintroduced into an Oman reserve.
