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Analysis of institutional authors

Camacho A.Author

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July 16, 2024
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Nest attachment, rather than nest type, correlates with passerine bird brain size

Publicated to: IBIS. 166 (3): 814-825 - 2024-07-01 166(3), DOI: 10.1111/ibi.13292

Authors:

Leite AB; Camacho A; Francisco MR
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Affiliations

CSIC - Estación Biológica de Doñana (EBD) - Author
Universidade Federal de São Carlos - Author

Abstract

Variation in relative interspecific brain size has been correlated with cognitive capacities in different animal groups. Bird nest construction is one of the most remarkable animal abilities, and has reached the highest diversification in the Passeriformes. Yet, its relationship with brain size is not fully understood. Here, we used a dataset of 455 species to address potential correlations between nest types (open and enclosed) and five categories of nest attachment mode, as well as a set of covariables, with relative brain mass (Rbmass) of passerine birds. Bayesian regression modelling with phylogenetic control revealed that nest attachment mode, rather than nest type, was associated with Rbmass variation, despite the strong effects of habitat, migration and phylogeny. A phylogenetic confirmatory path analysis suggested that Rbmass and nest attachment can interact via a direct evolutionary link and also through an indirect link mediated through habitat (vegetation density). Phylogenetic ridge regression indicated that Top suspended nests were associated with species close to a maximum relative brain size, and that Rim suspended nests were associated with brain size radiations and probably with the exploration of new ecological niches. Our study provides evidence that the construction of nests with different attachment modes requires different levels of cognitive abilities, and we provide insights into the relationships between passerine brain size and nest attachment diversification.
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Keywords

Brain evolutionCognitionNest complexityNest constructionNest evolutionPhylogenetic comparative methods

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal IBIS due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2024 there are still no calculated indicators, but in 2023, it was in position 2/29, thus managing to position itself as a Q1 (Primer Cuartil), in the category Ornithology. Notably, the journal is positioned above the 90th percentile.

Independientemente del impacto esperado determinado por el canal de difusión, es importante destacar el impacto real observado de la propia aportación.

Según las diferentes agencias de indexación, el número de citas acumuladas por esta publicación hasta la fecha 2026-04-03:

  • Scopus: 1
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Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2026-04-03:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 10.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 10 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 7.
  • The number of mentions on the social network Facebook: 1 (Altmetric).
  • The number of mentions on the social network X (formerly Twitter): 6 (Altmetric).
  • The number of mentions on Wikipedia: 1 (Altmetric).
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Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Brazil.

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