Red-breasted Pygmy Parrot | Boss Hog | hog | Hog's Back | Hog Island | hog farm | Pygmy possum | Pygmy peoples | Hog Wild (1930 film) | Hog Wild | Hog (swine) | hog's fennel | Hog's Back swing bridge | Hog's Back Falls | Hog's Back Bridge | Hog | American hog-nosed skunk |
The idea was popularized among modern conservationists independently by Peter Scott and Gerald Durrell in the 1950s and 1960s, founders of the Wildfowl and Wetlands Trust and Jersey Zoo, who demonstrated success with a wide variety of life forms in the 1970s ranging from birds (e.g. Pink Pigeon), mammals (e.g. Pygmy Hog), reptiles (e.g. Round Island Boa) and amphibians (e.g. Poison arrow frogs).