wildlife-ecology

Yellowstone mule deer (Odocoileus hemionus) are a migratory subspecies of mule deer occupying the northern Rocky Mountains. They are named for their large ears and bifurcated (m...

California sea lions are a familiar, vocal presence near the Golden Gate Bridge, drawn by reliable currents, abundant schooling fish, and protected status under federal law. Thi...

Black bears are established across much of Pennsylvania, with the largest numbers in the forested northern and eastern regions. Population estimates, density patterns, and range...

Foxes eat rabbits across temperate regions, shaping prey populations, predator dynamics, and land management. This evergreen explainer details how often predation occurs, the ec...

Bears in Hungary are not common residents but are occasionally present through natural dispersal and reintroduction. The main species is the Eurasian brown bear, with several in...

Yellowstone National Park supports one of the most studied wolf populations in the world, and among them, male wolves play defining roles in pack function and ecosystem processe...

Fisher (Pekania pennanti) sightings in Ohio are increasingly documented but remain relatively rare, reflecting a species recolonizing parts of its historical range rather than a...

Yellowstone bison are the continent’s largest wild land animals and a living link to pre-settlement ecosystems. This guide explains what makes the Yellowstone herd genetically...

Mountain lions, also called pumas or cougars, do live in Texas, but they occupy only parts of the state and remain rare across most of their range here. Verified records from th...

When cougars leave Yellowstone, it typically reflects natural movement patterns, seasonal prey availability, and individual dispersal rather than an ecosystem-wide anomaly. As w...