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espanolLa rana de Karpatos (Pelophylax cerigensis) es considerada la rana mas amenazada de Europa. Aqui evaluamos su ecologia alimentaria y examinamos 76 individuos de las dos poblaciones conocidas usando el metodo del lavado de estomago. Tambien medimos el peso corporal, la longitud desde el hocico hasta la cloaca y el ancho de la boca de las ranas y el ancho y largo de las presas. La dieta de Pelophylax cerigensis, compuesta principalmente por Coleoptera, Aranean, Isopoda e Hymenoptera, es similar a la de otras especies de ranas verdes de las zonas adyacentes. Las dos poblaciones difieren en el tamano corporal, pero presentan valores similares de abundancia y frecuencia de presas. Parece que P. cerigensis sigue una estricta estrategia de alimentacion. El estudio de la disponibilidad de presas en sus habitats aportara informacion valiosa. EnglishThe Karpathos marsh frog (Pelophylax cerigensis) is considered the most endangered frog in Europe. Here we assess its feeding ecology and examine 76 individuals from the two known populations using the stomach flushing method. We also measured body weight, snout–vent length, mouth width and prey width and length. Pelophylax cerigensis follows the feeding pattern of green frogs of the adjacent areas, with Coleoptera, Araneae, Isopoda and Hymenoptera being the main prey groups. The two populations differed in body size but had similar values of prey abundance and frequency. It seems that P. cerigensis follows a strict feeding strategy. Further research on prey availability in its habitats will provide valuable insight.

Diet composition of the Karpathos marsh frog (Pelophylax cerigensis): what does the most endangered frog in Europe eat?