News

September 18th, 2015

The completion of the Life+ Cap DOM programme!

After five years of work, the Life+ Cap DOM programme, supported by the European Commission and…
August 31st, 2015

[Video] The STOC in French Guiana

Since 2012, GEPOG has been running a STOC (point count) survey in French Guiana, along with the…
August 25th, 2015

[Video] SEOR: a look back over the five years of the programme

A few weeks before the end of the Life+ Cap DOM programme, François-Xavier Couzi, Director of…

Release of a Réunion Harrier on the Réunion Island

The staff of the Société d’Etudes Ornithologiques de la Réunion (SEOR) released a Réunion Harrier on the 3rd March after it had spent 22 days in their rescue centre. The female, weighing 715 g, had been poisoned after having eaten an item of prey (some sort of rodent) which clearly was also contaminated, i.e. the bird was suffering from secondary poisoning.

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On La Réunion, the main function of SEOR’s rescue centre is to take in, care for and rehabilitate wild birds found injured anywhere on the island with the aim of returning them to their natural habitat once they have recovered. The two main causes why the harriers are brought into the centre are poisoning and collisions with vehicles and the electrical infrastructure.

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The Réunion Harrier (Circus maillardi), a species endemic to La Réunion and classed as ’Endangered’ according to the national Red List, is often a victim of secondary poisoning after having eaten rats. This type of poisoning results in haemorraging and requires immediate treatment if the bird is to be saved. Treatment usually involves an injection of Vitamin K1 to thin the blood and to permit a better uptake of oxygen. Each individual is treated according to its pathological symptoms and kept at the care centre until it is able to flying unaided and be released into the wild.

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Keywords : Réunion, Réunion Harrier

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