Nanorana yunnanensis
Pham Van Anh, Nguyen Quang Truong

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The analysis of stomach contents from 45 specimens of Son La province Nanorana yunnanensis identified 301 prey items of 23 categories. Coleoptera shows the highest frequency of prey items found in 36 stomachs. Prey items of N. yunnanensis were more diverse in May and October with 18 categories. Insect larvae had the highest volume of prey items, 25.45% of total volume of prey items, followed by Mollusca (19.34%), Lepidoptera (18.60%) and Coleoptera (11.27%). Important prey items of N. yunnanensis were Coleoptera (Ix Index 21.28%), insect larvae (15.56%), Lepidoptera (13.08%) and Mollusca (8.40%). The food spectrum in the stomach of males (21 categories) was more diverse than that in the stomach of females (17 categories) and immature individuals (14 categories).


Important index, Nanorana yunnanensis, prey categories, Son La province, volume


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