State of the world's birds

AC Lees, L Haskell, T Allinson… - Annual Review of …, 2022 - annualreviews.org
We present an overview of the global spatiotemporal distribution of avian biodiversity,
changes in our knowledge of that biodiversity, and the extent to which it is imperilled. Birds …

Avian diversity: Speciation, macroevolution, and ecological function

JA Tobias, J Ottenburghs… - Annual Review of Ecology …, 2020 - annualreviews.org
The origin, distribution, and function of biological diversity are fundamental themes of
ecology and evolutionary biology. Research on birds has played a major role in the history …

Ecological drivers of global gradients in avian dispersal inferred from wing morphology

C Sheard, MHC Neate-Clegg, N Alioravainen… - Nature …, 2020 - nature.com
An organism's ability to disperse influences many fundamental processes, from speciation
and geographical range expansion to community assembly. However, the patterns and …

The latitudinal taxonomy gradient

BG Freeman, MW Pennell - Trends in Ecology & Evolution, 2021 - cell.com
Emerging large-scale datasets coupled with statistical advances have provided new insights
into the processes that generate the latitudinal diversity gradient (LDG). But many of these …

A roadmap to identifying and filling shortfalls in Neotropical ornithology

AC Lees, KV Rosenberg, V Ruiz-Gutierrez… - The Auk, 2020 - academic.oup.com
Securing the long-term resilience of the world's most speciose avifauna, that of the
Neotropics, requires spatially and temporally explicit data to inform decisions. We examine …

[HTML][HTML] Evolution of Amazonian biodiversity: A review

JM Guayasamin, CC Ribas, AC Carnaval… - Acta …, 2024 - SciELO Brasil
Amazonia (defined herein as the Amazon basin) is home to the greatest concentration of
biodiversity on Earth, providing unique genetic resources and ecological functions that …

Volcanic events coincide with plant dispersal across the Northern Andes

MJ Sanín, A Cardona, WA Valencia-Montoya… - Global and Planetary …, 2022 - Elsevier
Biological dispersal is increasingly seen as a primary driver of speciation across the tropical
Andes. Similarly, growing evidence suggests that the Northern Andes cordilleras formed as …

Speciation and gene flow across an elevational gradient in New Guinea kingfishers

E Linck, BG Freeman… - Journal of Evolutionary …, 2020 - academic.oup.com
Closely related species with parapatric elevational ranges are ubiquitous in tropical
mountains worldwide. The gradient speciation hypothesis proposes that these series are the …

Untangling cryptic diversity in the High Andes: Revision of the Scytalopus [magellanicus] complex (Rhinocryptidae) in Peru reveals three new species

NK Krabbe, TS Schulenberg, PA Hosner… - The Auk, 2020 - academic.oup.com
Tropical mountains feature marked species turnover along elevational gradients and across
complex topography, resulting in great concentrations of avian biodiversity. In these …

Integrative taxonomy reveals hidden diversity in the Catharus fuscater (Passeriformes: Turdidae) complex in Central and South America

MR Halley, TA Catanach, J Klicka… - Zoological Journal of …, 2023 - academic.oup.com
We assembled datasets of genetic(genomic ultraconserved elements[UCEs], mtDNA) and
phenotypic (morphology, voice) characters to address species limits and taxonomy in the …