Ornithological researchat the “Pacaya-Samiria” reserve (Peru)
Abstract. The report presents ornithological research materials at “The Pacaya-Samiria” Nature Reserve (Peru).
A faunal survey of bird species found in the lower reaches of the Pakaya River and along the Ukayali River is given.
The results of bird records on the rivers of the reserve and in its buffer zone are presented.
The most numerous species of birds on the banks of the Pacaya River are Striated heron Butorides striata, Yellow-billed tern Sternula
superciliaris, Yellow-rumped cassic Cacicus cela, Horned screamer Anhima cornuta, Creater ani Crotophaga ani
and the Larger-billed tern Phaetusa simplex, which make up 45 % of the total abundance.
On the River Ukayali the base consisted of near-water Pelecaniformes, Ciconiiformes, Anseriformes, Charadriiformes and birds of prey
Cathartidae, Accipitridae and Falconidae.
Key words: Peru, the “Pacaya-Samiria” Nature Reserve, population and number of birds, avifauna of the