Corvids in Urban Environments: A Systematic Global Literature Review

Urbanization is one of the most prevalent drivers of biodiversity loss, yet few taxonomic groups are remarkably successful at adapting to urban environments. We systematically surveyed the global literature on the effects of urbanization on species of family Corvidae (crows, choughs, jackdaws, jays,...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Isma Benmazouz, Jukka Jokimäki, Szabolcs Lengyel, Lajos Juhász, Marja-Liisa Kaisanlahti-Jokimäki, Gábor Kardos, Petra Paládi, László Kövér
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	adaptation anthropogenic Corvidae habitat selection life history trait urbanization gradient Veterinary medicine SF600-1100 Zoology QL1-991
Acceso en línea:	https://doaj.org/article/a2e1cbdaab8d41be93779d4e9cbbe32e
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:a2e1cbdaab8d41be93779d4e9cbbe32e
record_format	dspace
spelling	oai:doaj.org-article:a2e1cbdaab8d41be93779d4e9cbbe32e2021-11-25T16:19:31ZCorvids in Urban Environments: A Systematic Global Literature Review10.3390/ani111132262076-2615https://doaj.org/article/a2e1cbdaab8d41be93779d4e9cbbe32e2021-11-01T00:00:00Zhttps://www.mdpi.com/2076-2615/11/11/3226https://doaj.org/toc/2076-2615Urbanization is one of the most prevalent drivers of biodiversity loss, yet few taxonomic groups are remarkably successful at adapting to urban environments. We systematically surveyed the global literature on the effects of urbanization on species of family Corvidae (crows, choughs, jackdaws, jays, magpies, nutcrackers, ravens, rooks, treepies) to assess the occurrence of corvids in urban environments and the factors affecting their success. We found a total of 424 primary research articles, and the number of articles has increased exponentially since the 1970s. Most studies were carried out in cities of Europe and North America (45.5% and 31.4%, respectively) and were directed on a single species (75.2). We found that 30 corvid species (23% of 133 total) regularly occur in urban environments. The majority (72%) of the studies reported positive effects of urbanization on corvids, with 85% of studies detecting population increases and 64% of studies detecting higher breeding success with urbanization. Of the factors proposed to explain corvids’ success (availability of nesting sites and food sources, low predation and persecution), food availability coupled with diet shifts emerged as the most important factors promoting Corvidae to live in urban settings. The breeding of corvids in urban environments was further associated with earlier nesting, similar or larger clutches, lower hatching but higher fledging success, reduced home range size and limited territoriality, increased tolerance towards humans and increasing frequency of conflicts with humans. Despite geographic and taxonomic biases in our literature sample, our review indicates that corvids show both flexibility in resource use and behavioral plasticity that enable them to exploit novel resources for nesting and feeding. Corvids can thus be urban exploiters of the large-scale modifications of ecosystems caused by urbanization.Isma BenmazouzJukka JokimäkiSzabolcs LengyelLajos JuhászMarja-Liisa Kaisanlahti-JokimäkiGábor KardosPetra PaládiLászló KövérMDPI AGarticleadaptationanthropogenicCorvidaehabitat selectionlife history traiturbanization gradientVeterinary medicineSF600-1100ZoologyQL1-991ENAnimals, Vol 11, Iss 3226, p 3226 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	adaptation anthropogenic Corvidae habitat selection life history trait urbanization gradient Veterinary medicine SF600-1100 Zoology QL1-991
spellingShingle	adaptation anthropogenic Corvidae habitat selection life history trait urbanization gradient Veterinary medicine SF600-1100 Zoology QL1-991 Isma Benmazouz Jukka Jokimäki Szabolcs Lengyel Lajos Juhász Marja-Liisa Kaisanlahti-Jokimäki Gábor Kardos Petra Paládi László Kövér Corvids in Urban Environments: A Systematic Global Literature Review
description	Urbanization is one of the most prevalent drivers of biodiversity loss, yet few taxonomic groups are remarkably successful at adapting to urban environments. We systematically surveyed the global literature on the effects of urbanization on species of family Corvidae (crows, choughs, jackdaws, jays, magpies, nutcrackers, ravens, rooks, treepies) to assess the occurrence of corvids in urban environments and the factors affecting their success. We found a total of 424 primary research articles, and the number of articles has increased exponentially since the 1970s. Most studies were carried out in cities of Europe and North America (45.5% and 31.4%, respectively) and were directed on a single species (75.2). We found that 30 corvid species (23% of 133 total) regularly occur in urban environments. The majority (72%) of the studies reported positive effects of urbanization on corvids, with 85% of studies detecting population increases and 64% of studies detecting higher breeding success with urbanization. Of the factors proposed to explain corvids’ success (availability of nesting sites and food sources, low predation and persecution), food availability coupled with diet shifts emerged as the most important factors promoting Corvidae to live in urban settings. The breeding of corvids in urban environments was further associated with earlier nesting, similar or larger clutches, lower hatching but higher fledging success, reduced home range size and limited territoriality, increased tolerance towards humans and increasing frequency of conflicts with humans. Despite geographic and taxonomic biases in our literature sample, our review indicates that corvids show both flexibility in resource use and behavioral plasticity that enable them to exploit novel resources for nesting and feeding. Corvids can thus be urban exploiters of the large-scale modifications of ecosystems caused by urbanization.
format	article
author	Isma Benmazouz Jukka Jokimäki Szabolcs Lengyel Lajos Juhász Marja-Liisa Kaisanlahti-Jokimäki Gábor Kardos Petra Paládi László Kövér
author_facet	Isma Benmazouz Jukka Jokimäki Szabolcs Lengyel Lajos Juhász Marja-Liisa Kaisanlahti-Jokimäki Gábor Kardos Petra Paládi László Kövér
author_sort	Isma Benmazouz
title	Corvids in Urban Environments: A Systematic Global Literature Review
title_short	Corvids in Urban Environments: A Systematic Global Literature Review
title_full	Corvids in Urban Environments: A Systematic Global Literature Review
title_fullStr	Corvids in Urban Environments: A Systematic Global Literature Review
title_full_unstemmed	Corvids in Urban Environments: A Systematic Global Literature Review
title_sort	corvids in urban environments: a systematic global literature review
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/a2e1cbdaab8d41be93779d4e9cbbe32e
work_keys_str_mv	AT ismabenmazouz corvidsinurbanenvironmentsasystematicgloballiteraturereview AT jukkajokimaki corvidsinurbanenvironmentsasystematicgloballiteraturereview AT szabolcslengyel corvidsinurbanenvironmentsasystematicgloballiteraturereview AT lajosjuhasz corvidsinurbanenvironmentsasystematicgloballiteraturereview AT marjaliisakaisanlahtijokimaki corvidsinurbanenvironmentsasystematicgloballiteraturereview AT gaborkardos corvidsinurbanenvironmentsasystematicgloballiteraturereview AT petrapaladi corvidsinurbanenvironmentsasystematicgloballiteraturereview AT laszlokover corvidsinurbanenvironmentsasystematicgloballiteraturereview
_version_	1718413272988778496

Corvids in Urban Environments: A Systematic Global Literature Review

Ejemplares similares