As many have guessed from the massive animal's size, this new yacht owner is a male sea lion. Males typically have a large crest on the top of their heads, whereas females have a typical round head.

Nature's most formidable predators are often female, employing calculated ferocity, intelligence, and evolutionary precision ...

There’s plenty of rough sex in the animal kingdom, but dinosaur copulation may have been so violent that it literally broke ...

Researchers captured the novel behavior on video in the Gulf of California, recording three separate takedowns across two ...

A pod of orcas has twice been observed flipping young great white sharks on their backsides to stun them, then slicing their ...

New research out of Northern Ireland reveals there may be a distinct clue to determine the actual gender of dinosaurs. It’s ...

Paleontologists have long wrestled with how to differentiate between male and female dinosaurs based on their fossils. But ...

Seven minutes into the video, the whales attacked a second juvenile white shark. This one was worked over repeatedly until ...

Orcas in Mexico were filmed hunting great white sharks and eating only their livers, revealing a learned hunting tactic.

Season 6 of Taronga: Who’s Who in the Zoo premieres on Nine next Tuesday as The Golden Bachelor becomes a Sunday / Monday playout. Virginia Gay returns as the narrator, in the series again produced by ...

Traumatic bone injuries in the tails of so-called duckbilled dinosaurs have led scientists to a major discovery – they ...

Traumatic bone injuries in the tails of duckbilled dinosaurs have led scientists at Queen’s University Belfast to a major discovery: they believe they can now identify the bones as female.