Tag Archive for 'Jaguar'

Jaguars get relief from the heat at an artificial waterhole in Guatemala. Image credit: WCS Guatemala.

Warming Climate Sparks Innovative Wildlife Protection Measures in Guatemala

Jul 24, 2025 by News Staff

Scientists with the Wildlife Conservation Society have documented a remarkable diversity of wildlife visiting the artificial watering holes in Guatemala’s...

The neurophysiological and functional significance of silver vine response in cats: the olfactory system in cats detects cis-trans nepetalactol emitted from silver vine leaves and then stimulates release of β-endorphin; activation of μ-opioid receptors by a high level of β-endorphin evokes rubbing and rolling, which is inhibited by naloxone, an antagonist of μ-opioid receptors; face rubbing and rolling over transfer nepetalactol with repellent activity against Aedes albopictus from the leaves onto the cat’s face, head, and body fur where it helps to protect them from mosquito bites. Image credit: Reiko Uenoyama, Iwate University.

Bioactive Compounds Found in Catnip and Silver Vine Protect Cats against Mosquito Bites

Jan 21, 2021 by News Staff

Domestic cats and other felids rub their faces and heads against catnip (Nepeta cataria) and silver vine (Actinidia polygama) and roll on the ground as...

The puma (Puma concolor). Image credit: Jbarreirol / CC BY-SA 3.0.

Ancient Maya Captured and Traded Big Cats: Study

Sep 17, 2018 by News Staff

The ancient Maya routinely captured and traded wild jaguars (Panthera onca) and pumas (Puma concolor) for symbolic and ritual purposes, according to an...