BIRD-HERPETOFAUNA INTERACTIONS IN THE USUMACINTA RIVER BASIN, MEXICO

Q4 Agricultural and Biological Sciences

Revista Latinoamericana de Herpetologia Pub Date : 2023-03-24 DOI:10.22201/fc.25942158e.2023.01.594

Belkis Sánchez Álvarez, Freddy Pérez Garduza, Alan Monroy Ojeda, Victor Manuel Santiago Plata, Santiago López Mondragón, P. Charruau

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Abstract

Interspecific interactions between vertebrates of different groups are common but also complex and of great importance for community structure. In particular, predation, considered a trophic interaction, plays a significant role in food webs structure and selective effects on prey in natural ecosystems. In this paper we provide new information on the trophic relationship between birds and herpetofauna (reptiles and amphibians) in the complex and biodiverse Usumacinta river basin, through 10 observations recorded between 2012 and 2021. The observations show interactions for feeding purposes of eight bird species, including herons (Tigrisoma mexicanum), jays (Psilorhinus morio), raptors (Caracara cheriway, Pseudastur albicollis, Harpagus bidentatus, Buteo plagiatus), puffbirds (Malacoptila panamensis), and ducks (Dendrocygna autumnalis), with snakes (Coniophanes quinquevittatus), turtles (Chelydra rossignonii, Trachemys venusta), lizards (Iguana iguana, Sceloporus serrifer), crocodiles (Crocodylus moreletii), and frogs (Smilisca baudinii).

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墨西哥乌苏马金塔河流域的鸟类-爬行动物相互作用

不同类群的脊椎动物之间的种间相互作用是常见的，但也很复杂，对群落结构非常重要。特别是捕食，被认为是一种营养相互作用，在自然生态系统的食物网结构和对猎物的选择效应中起着重要作用。本文通过2012年至2021年的10次观测，为乌苏马辛塔河流域复杂而多样的爬行动物和两栖动物之间的营养关系提供了新的信息。观察结果显示，鹭(Tigrisoma mexicanum)、松鸦(Psilorhinus morio)、猛禽(Caracara cheriway、Pseudastur albicollis、Harpagus bidentatus、Buteo plagiatus)、河雀(Malacoptila panamensis)和鸭子(Dendrocygna autumnalis)等8种鸟类为取食而与蛇(Coniophanes quinquevittatus)、海龟(Chelydra rossignonii、Trachemys venusta)、蜥蜴(Iguana Iguana、Sceloporus serrifer)、鳄鱼(Crocodylus moreletii)、和青蛙(Smilisca baudinii)。

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