Searching for food in a concrete jungle: feeding ecology of a Psittacine assemblage (Aves, Psittacidae) in a major Amazonian city

Article


Soares, C., Barnett, A., Scudeller, V. and Borges, S. 2023. Searching for food in a concrete jungle: feeding ecology of a Psittacine assemblage (Aves, Psittacidae) in a major Amazonian city. Anais da Academia Brasileira de Ciências. 95 (3). https://doi.org/10.1590/0001-3765202320220606
TypeArticle
TitleSearching for food in a concrete jungle: feeding ecology of a Psittacine assemblage (Aves, Psittacidae) in a major Amazonian city
AuthorsSoares, C., Barnett, A., Scudeller, V. and Borges, S.
Abstract

The efficient use of food resources is a precondition for wild species´ survival in urban environments. The feeding ecology of animals in tropical cities, however, remains poorly investigated. Here we study the feeding ecology of parrots in Manaus, a major Amazonian city, and compare the results with a parrot assemblage living in undisturbed habitats. We recorded 203 feeding bouts from eight parrot species, which consumed parts of 51 plant species. Parrot diets were dominated by native palm species (Arecaceae). Exotic plants, however, constituted an important portion of the diet of some parrots. Levin's indices, a measure of food niche width, varied from 0.40 to 0.83, indicating an overall tendency to generalist diets. Diet overlap between species was small, indicating broad resource partitioning between members of the assemblage. The diversity of plants consumed in the natural environment was greater than in the urban environment (71 species vs. 52). However, the diversity of plants consumed was similar for parrot species recorded both in natural and urban environments, indicating that occupation of the city does not imply an impoverishment in parrot diets. Creation of municipal protected areas and increasing the city afforestation would provide complementary strategies for Manaus parrot conservation.

KeywordsEcology; Parrots; Animals; Food; Ecosystem; Cities
Sustainable Development Goals15 Life on land
Middlesex University ThemeSustainability
Research GroupBehavioural Biology group
LanguageEnglish
PublisherAcademia Brasileira de Ciências
JournalAnais da Academia Brasileira de Ciências
ISSN0001-3765
Electronic1678-2690
Publication dates
Online03 Nov 2023
Publication process dates
Submitted19 Jul 2022
Accepted08 Dec 2022
Deposited20 Feb 2024
Output statusPublished
Publisher's version
License
File Access Level
Open
Digital Object Identifier (DOI)https://doi.org/10.1590/0001-3765202320220606
PubMed ID37909560
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