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Rombaut LMK, Capp EJR, Cooney CR, Hughes EC, Varley ZK, Thomas GH. Allometric conservatism in the evolution of bird beaks. Evol Lett 2021; 6:83-91. [PMID: 35127139 PMCID: PMC8802239 DOI: 10.1002/evl3.267] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 11/22/2021] [Accepted: 11/27/2021] [Indexed: 12/11/2022] Open
Abstract
Evolution can involve periods of rapid divergent adaptation and expansion in the range of diversity, but evolution can also be relatively conservative over certain timescales due to functional, genetic‐developmental, and ecological constraints. One way in which evolution may be conservative is in terms of allometry, the scaling relationship between the traits of organisms and body size. Here, we investigate patterns of allometric conservatism in the evolution of bird beaks with beak size and body size data for a representative sample of over 5000 extant bird species within a phylogenetic framework. We identify clades in which the allometric relationship between beak size and body size has remained relatively conserved across species over millions to tens of millions of years. We find that allometric conservatism is nonetheless punctuated by occasional shifts in the slopes and intercepts of allometric relationships. A steady accumulation of such shifts through time has given rise to the tremendous diversity of beak size relative to body size across birds today. Our findings are consistent with the Simpsonian vision of macroevolution, with evolutionary conservatism being the rule but with occasional shifts to new adaptive zones.
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Affiliation(s)
- Louie M. K. Rombaut
- Department of Animal and Plant Sciences University of Sheffield Sheffield S10 2TN United Kingdom
| | - Elliot J. R. Capp
- Department of Animal and Plant Sciences University of Sheffield Sheffield S10 2TN United Kingdom
| | - Christopher R. Cooney
- Department of Animal and Plant Sciences University of Sheffield Sheffield S10 2TN United Kingdom
| | - Emma C. Hughes
- Department of Animal and Plant Sciences University of Sheffield Sheffield S10 2TN United Kingdom
| | - Zoë K. Varley
- Department of Life Sciences Natural History Museum London London SW7 5BD United Kingdom
| | - Gavin H. Thomas
- Department of Animal and Plant Sciences University of Sheffield Sheffield S10 2TN United Kingdom
- Bird Group Department of Life Sciences The Natural History Museum Tring HP23 6AP United Kingdom
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Bird Functional Diversity in Agroecosystems and Secondary Forests of the Tropical Andes. DIVERSITY 2021. [DOI: 10.3390/d13100493] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Agricultural systems have increased in extension and intensity worldwide, altering vertebrate functional diversity, ecosystem functioning, and ecosystemic services. However, the effects of open monoculture crops on bird functional diversity remain little explored, particularly in highly biodiverse regions such as the tropical Andes. We aim to assess the functional diversity differences of bird guilds between monoculture crops (coffee, cocoa, and citrus) and secondary forests. We use four functional diversity indices (Rao Q, Functional Richness, Functional Evenness, and Functional Divergence) related to relevant morphological, life history, and behavioral traits. We find significant differences in functional diversity between agroecosystem and forest habitats. Particularly, bird functional diversity is quite homogeneous among crop types. Functional traits related to locomotion (body weight, wing-chord length, and tail length), nest type (closed), and foraging strata (canopy and understory) are dominant at the agroecosystems. The bird assemblages found at the agroecosystems are more homogeneous in terms of functional diversity than those found at the secondary forests, as a result of crop structure and management. We recommend promoting more diverse agroecosystems to enhance bird functional diversity and reduce their effects on biodiversity.
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Martínez-Sánchez ET, Cardona-Romero M, Ortiz-Giraldo M, Tobón-Escobar WD, Moreno-López D, Ossa-López PA, Pérez-Cárdenas JE, Labruna MB, Martins TF, Castaño-Villa GJ, Rivera-Páez FA. Rickettsia spp. in ticks (Acari: Ixodidae) from wild birds in Caldas, Colombia. Acta Trop 2021; 213:105733. [PMID: 33159903 DOI: 10.1016/j.actatropica.2020.105733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Revised: 10/04/2020] [Accepted: 10/06/2020] [Indexed: 10/23/2022]
Abstract
Several bacteria belonging to the genus Rickettsia are recognized as causal agents of diseases in domestic and wild animals and humans. These bacteria are considered emerging or reemerging and are transmitted by ticks, fleas, and lice vectors. In recent decades, there have been reports of rickettsias in ticks of the genus Amblyomma, Ixodes, and Haemaphysalis collected from wild birds. Accordingly, birds play a plausible role in the transport and spread of ticks infected by Rickettsia spp. In this study, we performed molecular detection of Rickettsia species in ticks collected from wild birds in the department of Caldas, Colombia. We detected and identified Rickettsia amblyommatis, 'Candidatus Rickettsia colombianensi' and a Rickettsia sp. closely related to 'Candidatus Rickettsia tarasevichiae' and Rickettsia canadensis. This study contributes to the knowledge on infection by Rickettsia in ticks collected from wild birds in Colombia. We also provide the first reports of infection by R. amblyommatis in the genus Ixodes collected from wild birds in South America and the presence of Rickettsia at elevations above 3000 m a.s.l.
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Betancurt‐Grisales JF, Vargas‐Daza AM, Castaño‐Villa GJ, Ospina‐Bautista F. Bird functional diversity in restored and secondary forests of the Colombian Andes. Restor Ecol 2020. [DOI: 10.1111/rec.13315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Juan F. Betancurt‐Grisales
- Grupo de Investigación en Ecosistemas Tropicales, Facultad de Ciencias Exactas y Naturales Universidad de Caldas Calle 65 #26‐10, Caldas Manizales 170004 Colombia
| | - Angela M. Vargas‐Daza
- Grupo de Investigación en Ecosistemas Tropicales, Facultad de Ciencias Exactas y Naturales Universidad de Caldas Calle 65 #26‐10, Caldas Manizales 170004 Colombia
| | - Gabriel J. Castaño‐Villa
- Grupo de Investigación en Ecosistemas Tropicales, Facultad de Ciencias Exactas y Naturales Universidad de Caldas Calle 65 #26‐10, Caldas Manizales 170004 Colombia
- Departamento de Desarrollo Rural y Recursos Naturales, Facultad de Ciencias Agropecuarias Universidad de Caldas Calle 65 #26‐10, Caldas Manizales 170004 Colombia
| | - Fabiola Ospina‐Bautista
- Grupo de Investigación en Ecosistemas Tropicales, Facultad de Ciencias Exactas y Naturales Universidad de Caldas Calle 65 #26‐10, Caldas Manizales 170004 Colombia
- Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales Universidad de Caldas Calle 65 #26‐10, Caldas Manizales 170004 Colombia
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Martínez-Sánchez ET, Cardona-Romero M, Ortiz-Giraldo M, Tobón-Escobar WD, López DM, Ossa-López PA, Pérez-Cárdenas JE, Labruna MB, Martins TF, Rivera-Páez FA, Castaño-Villa GJ. Associations between wild birds and hard ticks (Acari: Ixodidae) in Colombia. Ticks Tick Borne Dis 2020; 11:101534. [PMID: 32993943 DOI: 10.1016/j.ttbdis.2020.101534] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 07/27/2020] [Accepted: 07/29/2020] [Indexed: 10/23/2022]
Abstract
Ticks of the family Ixodidae are vectors of important pathogens in human and animal health. Birds are involved in long-distance transport and dispersion of hard ticks. Tick infestations on wild birds mostly involve species within the genera Amblyomma, Ixodes, and Haemaphysalis. In Colombia, tick research is scarce and there are no studies to date about the associations between wild birds and ticks. We aimed to contribute to the knowledge of the associations between wild birds and hard ticks based on the collection of 2314 wild birds belonging to 29 families in Caldas - Colombia between 2015 and 2019. In total, we collected 133 hard ticks that were found parasitizing 78 birds representing 45 species and 14 wild bird families. We report at least seven tick species on birds confirmed by morphological and molecular methods: Amblyomma longirostre, Amblyomma varium, Amblyomma dissimile, Amblyomma ovale, Amblyomma nodosum, Amblyomma calcaratum and Haemaphysalis leporispalustris. In addition, we recorded three Ixodes species, which yielded DNA sequences that did not have high identity (≤ 95 %) to any species in GenBank. Ticks were found infesting resident and migratory boreal birds. This is the first study addressing the associations between wild birds and hard ticks in Colombia. We describe new associations between birds and ticks in the Americas.
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Affiliation(s)
- Estefani T Martínez-Sánchez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - Marelid Cardona-Romero
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - Mateo Ortiz-Giraldo
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - William David Tobón-Escobar
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - Daniel Moreno López
- Programa de Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - Paula A Ossa-López
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia; Doctorado en Ciencias - Biología, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - Jorge E Pérez-Cárdenas
- Grupo de Investigación Biosalud, Departamento de Ciencias Básicas para la Salud, Facultad de Ciencias para la Salud, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
| | - Marcelo B Labruna
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo-USP, Av. prof. Orlando Marques de Paiva, 87, CEP 05508-000, Cidade Universitária, São Paulo, SP, Brazil
| | - Thiago F Martins
- Departamento de Medicina Veterinária Preventiva e Saúde Animal, Faculdade de Medicina Veterinária e Zootecnia, Universidade de São Paulo-USP, Av. prof. Orlando Marques de Paiva, 87, CEP 05508-000, Cidade Universitária, São Paulo, SP, Brazil
| | - Fredy A Rivera-Páez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia.
| | - Gabriel J Castaño-Villa
- Grupo de Investigación GEBIOME, Departamento de Desarrollo Rural y Recursos Naturales, Facultad de Ciencias Agropecuarias, Universidad de Caldas, Calle 65 No. 26-10 A.A. 275 Manizales, Caldas, Colombia
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