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Cousin Island

Explore the Cousin Island


Previously a coconut plantation, Cousin Island was purchased by the International Council for Bird Protection (now BirdLife) in 1968, for the immediate purpose of saving the endemic Seychelles Warbler Acrocephalus sechellensis. 26 warblers had been found in the mangroves of the island clinging perilously to life, with much of its original habitat converted to coconut plantations. A campaign was started to rescue these birds and they became the flagship species for the island.

To save the warbler, a habitat restoration programme was implemented: Cousin's coconuts were cut back and native vegetation encouraged to regenerate, which allowed the warbler to flourish. Its numbers increased. Soon over 300 birds could be heard singing on Cousin. From here the warbler was re-introduced to other islands in the Seychelles to boost its population and the bird now occurs on five other islands in the Seychelles.

Cousin is a huge conservation success. The previous coconut plantation is now mainly a native forest dominated by Pisonia grandis, Morinda citrifolia and Ochrosia oppositifolia. There are wetlands where fresh water attracts dragonflies and moorhens; the hill creates ideal nesting sites for shearwaters and bridled terns; on the seashore, crabs and shorebirds abound. It is home to a number of reptiles such as giant tortoises and five endemic lizards, giant millipedes and hermit crabs. Seven species of nesting seabirds, in numbers exceeding 300,000 individuals call Cousin home.

The Cousin island is one amongst Other Tropical islands, to be visited whilst on holiday in the Seychelles.