Catharus ustulatus autumnal migration in Guanahacabibes península, Pinar del Rio, Cuba. Change of permanence state in Cuba
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Abstract
Catharus ustulatus crosses the Gulf of Mexico during the autumn. In Guanahacabibes peninsula, one of the main Cuban migration flyways, were detected in four times before. With this work, we intend to establish a base line that allows us to detect and understand changes in that species migration pattern, tracking down the specific status and serve as bases for the territorial handling. Captures were made with ornithological nets during september, october and november in 2015-2019. The species appears frequently in the area between september and the first half of November with maxim captures in october. We suggest changed the permanency status for the Cuban archipelago. The 52,8 % of the total of processed individuals (N = 315) was juvenile and 89,8% presented the completely ossified skull. The weight average of the species in the area was of 29,16 ± 4,42 g. The biggest captures rates were registered in semidecidius forest and were zero in sand coast vegetation. The mode skull was 5, for fat 1 and muscle 2.
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