But genetically, they're all basically the same, and can breed easily.
The mosquitoes easily breed in small amounts of standing water.
It grows to around 7.5 cm, and is easily bred at home.
The birds were also kept as pets and could be bred easily in captivity.
Because heavy cows cannot breed easily in the hot weather, they do not produce calves and eventually stop producing milk.
They breed easily in captivity, so most sold today are captive-bred rather than wild-caught.
American Kestrels are also often used in scientific studies, because they can be bred easily in captivity.
Red rumps are bred easily in captivity if provided with necessary flight space and a large nesting box.
Often translocated and easily bred in captivity, they have never been successfully domesticated.
"But we could easily breed slower, more domesticated dinosaurs."