Days-old Montagu's harrier chicks wait for their parents to bring food. Montagu's harriers make the 5,000 kilometer migration to breed in Europe, where they spend about four months of the year. Groningen, the Netherlands.
A captive young Sumatran tiger looks up from a waterhole. More Sumatran tigers live in captivity today than in the wild, where fewer than 500 remain.
A captive Sumatran tiger in Burgers' Zoo, the Netherlands. More Sumatran tigers live in captivity today than in the wild, where fewer than 500 remain.
