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Rynchops niger "rayador", comun en la playas arenosas y pozas cercanas a los pantanos, de habitos gregarios, conforma bandadas de 60 a 80 individuos; su presencia es estacionalmente marcada los ultimos dias de setiembre y octubre incrementandose en diciembre, declinando en enero y febrero y aumenta ligeramente en marzo y abril.

Ciento quince anos de registros de aves en Pantanos de Villa

Trivers (1972) argued that most females of monogamous birds provided more parental care than males in rearing chicks, while a study on black skimmer, Rynchops niger, showed that males provided more parental investment than females (Burger, 1981).

Breeding Ecology of a Reintroduced Population of Crested Ibis (Nipponia nippon) in Henan Province, China

Experts say the Indian Skimmer ( Rynchops albicollis) may soon become extinct if corrective measures are not taken immediately.

Rare bird faces extinction

1999), como en los Charadriformes Rynchops niger y Recurvirostra americana (Boettcher et al.

Patrones de comportamiento diurno de Huerequeque Burhinus superciliaris en habitats modificados de la costa central del Peru

Adult black skimmers (Rynchops niger) with fish in their bills often were observed landing on small islands within ponds, where fish subsequently were presented to mates or fed to chicks.

Unusual dominance by Desert pupfish (Cyprinodon macularius) in experimental ponds within the Salton Sea Basin

De igual modo, resaltan que varias especies de aves acuaticas Charadriiformes (Charadrius collaris, Vanellus cayanus) y especialmente las coloniales (Rynchops niger, Phaetusa simplex, Sterna superciliaris) utilizan consuetudinariamente las playas arenosas expuestas para su reproduccion en colonias mixtas, ratificando asi lo observado en Brasil para los rios Trombetas (Krannitz, 1989) e Ibicui (Amorin et al., 2001).

Innovating environmental figures for biodiversity conservation: theoretical- conceptual model/Figuras ambientales innovadoras para la conservacion de la biodiversidad: marco teorico-conceptual/Figuras ambientais inovadoras para a conservacao da biodiversidade: marco teorico-conceitual

Considering its importance for the maintenance of the populations, there is still much to be investigated, but its relevance is evident as resting areas for birds during displacement, such as Dendrocygna viduata and even Rynchops niger, first recorded in the region.

Avifauna from a campus of Universidade Estadual do Centro-Oeste, Guarapuava, Parana State, Brazil/Avifauna do campus da Universidade Estadual do Centro-Oeste, Guarapuava, Estado do Parana, Brasil

As the sun's rays broke through the clouds in the east and sped across the sound, Rynchops turned to follow the racing water seaward" (Carson).

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