A study finds that two groups of scrub jays—one in Mexico and one in Texas—deserve status as independent species. According to the paper, appearing in Systematic Biology, genetic sequencing collected decades ago reveals evidence of …
Mexico saw 35% more monarch butterflies arrive to its mountain forests last winter than the previous year. Experts say the rise may be due to butterflies adapting to rising temperatures and drought. Rather than counting …
Mexico has released two pairs of endangered Mexican wolves (Canis lupus baileyi) into two areas in the state of Chihuahua. The wolf pairs, named “Manada del Arroyo” and “Manada del Gavilan,” came from the Ladder …
Mexican palm oil plantations in Mexico are associated with a lower diversity of birds migrating south from Canada and the United States for the winter. Birds have been declining for decades—one estimate suggests more than …
Most of the islands in the Gulf of California are uninhabited, but for generations, a fishing family has lived on El Pardito Island in the southwestern end near La Paz. They used to earn part …
Luis Zambrano was used to surveying fish species in the Yucatan Peninsula before he got involved with studying axolotls. The axolotl used to range more widely throughout Mexico City than it does today, when the …
An investigation into wildlife trafficking between Mexico and the United States not only put a smuggler behind bars. It also exposed the inner workings of the illegal cross-border wildlife trade. The U.S. Justice Department announced …
In 2014, wildlife managers in Mexico captured a bear in the Sierra Madre Occidental, Mexico’s western mountain range, that didn’t quite seem to belong—it was much darker than the ones usually found there. Black bears …
Current conservation measures for monarch butterflies may be falling short, say researchers who created a model to analyze how the butterflies are faring. Rodrigo Solis-Sosa, a veterinarian and PhD candidate at Simon Fraser University, first …
What brings a million birds that breed in the Arctic to winter on the coast of northwest Mexico? “The truth is, researchers don’t actually know,” writes Julián García Walther, a PhD Student in ornithology at …
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