Revisiting the biogeographical regionalization of the Pacific Lowlands biogeographical province using bird distributional data

A new biogeographical regionalization of the Pacific Lowlands province, part of the Mesoamerican dominion, was established using distributional data from 47 endemic bird species. The study reclassified six existing districts into two subprovinces: the Coastal Lowlands of Nayarit-Sinaloa subprovince (stat. nov.), encompassing the Sinaloan, Tres Marías Islands, Revillagigedo Islands, and Guerreran districts; and the Coastal Lowlands of Southwestern Mexico subprovince (stat. nov.), including the Tehuanan and Tapachultecan districts. This refinement improves the understanding of biogeographical patterns in the region, with bird species listed to support the recognized subprovinces and districts.

Morrone, J. J., & García-Trejo, E. A. (2024). Revisiting the biogeographical regionalization of the Pacific Lowlands biogeographical province using bird distributional data. Biological Journal of the Linnean Society, 145(1). https://doi.org/10.1093/biolinnean/blae065