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predation

Scientists find shark teeth in ancient whale skulls

Scientists find shark teeth in ancient whale skulls

By Stephen Beech Great white sharks' ancestors were attacking and eating whales in the North Sea five million years ago, reveals new research. Detailed analysis of two fossilized whale skulls dating back around five million years found fragments of sharks’ teeth lodged inside them. The discovery provides rare evidence

New research reveals sharks have friends

New research reveals sharks have friends

By Stephen Beech Sharks have "friends" who they prefer to socialize with, reveals new research. The apex predators of the ocean are often viewed as solitary. But the study – conducted at the Shark Reef Marine Reserve in Fiji – found that rather than mixing at random, sharks have “active

Study finds crabs hide to avoid cannibalism

Study finds crabs hide to avoid cannibalism

By Stephen Beech Young blue crabs hide in the shallows to avoid being eaten by their cannibal cousins, reveals new research. Juvenile crabs rely on shrinking shallow-water habitats as a refuge to escape cannibalism by adults, say American scientists. Cannibalism is the No. 1 killer of juvenile blue crabs

Scavenging ravens memorize vast tracts of wolf hunting grounds: study

Scavenging ravens memorize vast tracts of wolf hunting grounds: study

The partnership between ravens and wolves goes back to Norse mythology -- Odin's birds scouted ahead and led prey to the god's canines, a relationship that provided food for all. The myth has some roots in reality: when wolves have a successful hunt, ravens are often observed

Study finds crocodile-like predator preyed on man’s ancestors

Study finds crocodile-like predator preyed on man’s ancestors

By Stephen Beech A "dominant" crocodile-like predator with a big lump on its head preyed on man's ancestors three million years, ago, according to new research. Early humans - embodied by the iconic hominin Lucy - would have lived in fear of the creature which lurked in

He's 85 and on a mission to document Montana wolverines. Meet Butte's Don Heffington.

One palatable plan for exiting the land of the living would involve a steep snowfield stumble and a life-snuffing descent — all yielding a buffet for scavenging wolverines. Don Heffington, 85, proposed that scenario with a wry smile. Not a bad way to go. The Butte resident admires the stalwart,

These birds learn about predators by listening to adults as chicks

These birds learn about predators by listening to adults as chicks

By Stephen Beech Jackdaw chicks learn about predators by listening to adults, reveals new research. Scientists played recordings of predator calls to chicks in their nests – and paired the sounds with either adult jackdaw “alarm” calls or “contact” calls that indicate no danger. Chicks that heard predator sounds paired with