Background: This database compiles comprehensive occurrence information, based on voucher specimens of small-eared shrews, genus , that occur from México to Peru. The database integrates the information obtained from four main sources: natural history museums, public databases, fieldwork and scientific literature. It contains 3,639 records from 53 species in 12 countries.
View Article and Find Full Text PDFTwo morphologically similar species of opossum from the genus Didelphis-Didelphis virginiana and Didelphis marsupialis-cooccur sympatrically in Mexico. High intraspecific variation complicates their morphological discrimination, under both field and museum conditions. This study aims to evaluate the utility and reliability of using DNA barcodes (short standardized genome fragments used for DNA-based identification) to distinguish these two species.
View Article and Find Full Text PDFPelecitus meridionaleporinus n. sp. from the Tehuantepec jackrabbit is described.
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