fauna

Arizona’s dry climate, varied habitats, and proximity to Mexico support a diverse arachnid fauna. This guide covers the most frequently encountered spiders and scorpions, with...

Across Texas, brown lizards are a familiar sight in yards, gardens, and natural areas, often darting across soil or climbing walls in pursuit of insects. The term brown Texas li...

Across the southern United States, snakes play a vital ecological role as predators of rodents, insects, and other small animals. Understanding snakes of the south begins with r...

Elk are large herbivorous mammals and, by most scientific definitions, qualify as megafauna due to their substantial size and ecological influence relative to ecosystem processe...

The oyster blenny is a small, temperate reef fish recognized for its squat body, large head, and mottled coloration that resembles oyster shells. It belongs to the family Blenni...

Arctic ground squirrels (Urocitellus parryii) are the largest and most northerly of North America’s ground squirrels, adapted to tundra, alpine, and boreal edge habitats acros...

Thrushes are a diverse group of medium-sized passerine birds known for their melodious songs, spotted underparts, and ecological importance as seed dispersers and insect consume...

Rock squirrels (Otospermophilus variegatus) are large, ground-dwelling rodents native to the southwestern United States and northern Mexico. In Tucson, they occupy rocky outcrop...

In arid ecosystems, top predators regulate populations, shape prey behavior, and maintain energy flow through food webs despite scarce water and extreme temperatures. They are u...

Insects of illinois include a diverse assemblage adapted to prairies, woodlands, wetlands, and urban areas. In spring and summer, bees, wasps, butterflies, beetles, and flies ar...