A staffer and a volunteer of the Dutch Montagu's Harrier Foundation install a wire fence around a nest in Groningen to protect it from predators and harvest. The status of the breeding populations in the Netherlands and the UK is so precarious that each nest must be individually monitored and protected, and locations are kept secret.
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.
