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Elusive Cozumel dwarf fox reappears in first confirmed photos after two decades
Elusive Cozumel dwarf fox reappears in first confirmed photos after two decades Sadie Harley Scientific Editor Robert Egan Associate Editor A publication has revealed the first photographic evidence and confirmed sighting of the Cozumel dwarf fox in more than 20 years. Published in the journal Neotropical Biology and Conservation by researchers Travis D. Bayer, Maggie A. McGreal and A. Rafael Chacón D., the short communication details the rescue of an adult male Cozumel dwarf fox on the...
Temporal persistence of admixed phenotypes in a damselfly hybrid zone
In odonates, hybridization has been documented in several species pairs, yet the long-term persistence of hybrid phenotypes remains poorly understood, particularly in Neotropical systems. Here, we investigate a putative hybrid zone between Ischnura capreolus and Ischnura cyane, which overlap along an altitudinal gradient in the Colombian Andes. We combined temporal sampling across sympatric and allopatric localities with multilocus genetic analyses and geometric morphometrics of wings and...
Chasing the ghost dog of the Amazon: New insights into a mythical canid
Chasing the ghost dog of the Amazon: New insights into a mythical canid Sadie Harley Scientific Editor Robert Egan Associate Editor For decades, the short-eared dog (Atelocynus microtis) has been considered one of the least-known carnivores in Latin America, and potentially one of the least-known canids in the world. Because of its highly secretive nature, acute hearing, and strong sense of smell, this cryptic creature has successfully avoided people, leaving biologists with very few direct...
Species of Brazilian moths described in honor of Orixás, foundational deities of Afro-Brazilian religions
Species of Brazilian moths described in honor of Orixás, foundational deities of Afro-Brazilian religions Stephanie Baum Scientific Editor Robert Egan Associate Editor A species of moth that was first described in 1818 was believed to be a single species. However, it has since been discovered that it is actually a complex of species, eight of which are found in Brazil. These findings are the result of a study that integrated molecular techniques, morphological data, and the identification of...
Daddy longlegs may be capturing and devouring frogs in the tropical forests of South America
Daddy longlegs may be capturing and devouring frogs in the tropical forests of South America Daddy longlegs have been observed eating frogs in South America, suggesting that these arachnids may be predators of vertebrates. Daddy longlegs have been spotted devouring live frogs bigger than themselves in the tropical forests of South America, a new study reports. And this behavior might be more common than scientists expected.