Captive breeding programs are an increasingly popular tool to augment the conservation of threatened wild populations. Many programs keep detailed pedigrees, which are used to prescribe breeding targe
Species column contains four letter codes for each bird species. GFWO = Golden-fronted woodpecker, ATBC = ash-throated/brown-crested flycatchers, BCTI = black-crested titmouse, BEWR = Bewick's wren, E