Sofia Zoo marmoset, and macaques. The predator sector houses big cats, bears and small predators, including lions, tigers, leopards, pumas and brown bears. In January 2011 the zoo received eight Humboldt penguins on loan from Germany. The penguins are on loan for about 18 months, after which they will be returned, with any offspring to stay at the zoo. The zoo has some 1,400 individual birds representing 192 species. Waterbirds are housed in a lake, and Imperial eagles, Griffon vultures, Egyptian vultures and buzzards in a large walk-through aviary. Other species of birds at the zoo include ostriches, Silver pheasants, peacocks, flamingos,
Hip replacement (animal) treatment afforded older dogs and not usually considered for young and middle aged animals or less advanced conditions. Aftercare recommendations vary also. Some vets recommend as little as 1–2 days in hospital after replacement, others as much as 4–7 days. All vets agree that movement must be restricted for a significant time after surgery. Some suggest that normal activity can be resumed after 5 weeks, others state it is unsafe until after 8 weeks. In both cases, a cautious approach will probably do no harm, if there is doubt. The first feline hip replacement in the New York area was