Science ❯ Biology ❯ Ecology

Food Chains

Predator-Prey Relationships Predation Apex Predators Dinosaur Interactions Isotope Analysis Cretaceous Ecosystem Predators Nutritional Ecology Marine Food Webs Marine Predators Extinction Events Carnivores

9 ARTICLES

3w ago

Ancient 'American Cheetah' Is a Puma Relative, Genomes Show

A Current Biology paper published Sept. 4, 2026 finds Miracinonyx trumani lived as far north as the Yukon, fed largely on fish in the Arctic, and carried genetic losses that raise new questions about its extinction risk.

5 ARTICLES

2mo ago

100‑Million‑Year‑Old Fossil Reveals Three‑Tier Food Chain in Queensland

5 ARTICLES

10mo ago

115-Million-Year-Old Australian Shark Fossils Push Back Onset of Giant Body Size in Modern Sharks

3 ARTICLES

10mo ago

Decapitated Jurassic Fish Heads With Guts Intact Reveal Diet and Predators

8 ARTICLES

last yr.

Study Finds Maggot Consumption Could Explain Neandertals’ High Nitrogen Levels

8 ARTICLES

last yr.

Megalodon Was a Flexible Supercarnivore, New Study Shows