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Madeira Birds
Madeira Birds
The Trocaz Pigeon, locally called Pombo Trocaz, is an endemism from Madeira Island. This specie, Columba trocaz (Heineken, 1929) is easy to identify because of its blue-grey color, because of the soft wine color in the chest and the white transversal band in the tail. It lives in the Laurel Forest but is often seen in the surrounding exotic forest areas. It is estimated that this pigeon population has about 7000 individuals though its tendency is to decrease concerning the loss and degradation of the habitat and the poisoning took by the agriculturists, who had their cultures eaten by the pigeon. It is a specie that is considered vulnerable in the "Red Book" because of its restrict number of locations. Recent studies, involving histological tests, identified 40 plant species present in this pigeon's diet. Some viable seeds and leaves from all trees, shrubs and herbs of the Laurel Forest were also found to be part of its diet.
Madeira Birds
This sub-specie of common buzzard is endemic to Madeira Archipelago and is locally called Manta. It's the biggest bird of prey that occurs in Madeira. It has round wings and is often seen flying in large circles by the movement of the ascending hot air currents. You can find this buzzard in indigenous and exotic forest areas, areas with few or creeping vegetation, agricultural and sub-urban areas. It nests in both Madeira and Porto Santo Islands with an ample distribution. The total population has about 2500 individuals, most of them resident in Madeira Island. In the last two decades the buzzard presented a great population growth. In Desertas Islands it used to nest until 1996, time when the existing few couples disappeared because of the program of recovering the terrestrial habitats from Deserta Grande, which concerned the elimination of the herbivorous species inhabiting there.
Madeira Birds
Zino’s Petrel (Pterodroma madeira), also known as Madeira Petrel and localy called Freira da Madeira, is an endemic Madeira Island seabird which is seriously threatened with extinction on a world scale. Its only population is estimated to have 30 to 40 breeding pairs. This bird lives at sea and comes to nest between the two highest peaks of Madeira, Pico Ruivo and Pico do Areeiro. Concerning the importance of this area for de bird, as well as the wealth of its endemic plants, the area was considered a Special Protection Zone and was placed under Rede Natura 2000. It borrows and makes its nest in light soil, on inaccessible ledges, at an altitude of 1600 m. For this reason, the absence of soil is a limiting factor in the survival of the species. However, this is not the only reproduction limitation faced by the bird. Zino’s Petrel lays a single egg at a time and, unlike other birds, if the egg is destroyed or if it disappears, the bird does not lay another one. It is believed that it may live up to 15 years, but only comes reproductive at the age of 6, when it lays the first egg. Considering the conservation state of the species, Madeira Nature Park began a project entitled “Conservation of Zino’s Petrel through the recovery of its habitat”. It is of prime importance to recover and conserve the habitat of Zino’s Petrel, because only by this way its extiction can be avoided. |
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