Ornithofauna of litoral coast at Mehuín, Chile
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Keywords

Mehuín
Chile

How to Cite

Schlatter V., Roberto P., and Eduardo Jaramillo L. 1979. “Ornithofauna of Litoral Coast at Mehuín, Chile”. El Hornero 12 (5): 149-64. https://doi.org/10.56178/eh.v12i5.1151.

Abstract

Litoral birds were censused during eleven consecutive months along the coast of Mehuín with different habitats (coastal, beach, tidal marsh, estuary and adjacent sea) with the main purpose to characterize ecologically the ornithofauna at this latitude of the country. Fourteen different census areas were recognized;habitat preference of bird species was determined there. The order Charadriiformes dominated with species from a total of 39 recognized. A little more than half of those were visitors to Mehuín, being those of septentrional origin more represented than the ones of austral origin. The most representative migratory birds from the north were Calidris alba and Larus pipixcan. Only more than one third of the identified species were detected regularly along the year, evidencing a significant migratory movement on that place.Mostindividuals were counted at the end of spring and summer, coincident with the biggest migratory activity of birds. The most abundant birds along the year were the residents: Larus dominicanus and Larus maculipennis plus the above migrants already mentioned. Most birds tend to prefer the beach area, estuarine swamp and temporal ponds behind the dunes, where they rest, scavenge, prey or clean themselves. The local ornithocenosis is almost entirely carnivorous, being numerically most represented the species which are offal feeders and scavengers. The local avifauna is thus influenced mainly by anthropic activity of the local fishermen and shellfish industry.

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References

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