Posts Tagged ‘predators’
Seabird bones reveal effects of ‘big’ fishing
MICHIGAN STATE (US) — Bone records show that endangered Hawaiian petrels are eating lower on the food chain than before the advent of industrialized fishing, report researchers. Continue…
Monday, May 13, 2013 16:59 - 0 Comments
Science & Technology - Apr 2, 2013 12:14 - 0 Comments
Cold prompts ‘power stroke’ in tiny swimmers
U. TEXAS – AUSTIN (US) — To escape from predators in cold, viscous water, marine copepods switch up their swimming method, say researchers. (more…)
Top Stories - Mar 25, 2013 10:42 - 1 Comment
Rapid evolution made falcons fierce
CARDIFF U. (UK) — Two falcon genomes reveal how intense evolutionary pressure made them into daredevil predators. (more…)
Science & Technology - Feb 5, 2013 16:10 - 0 Comments
How mole noses zero in on dinner
VANDERBILT (US) — Most mammals, including humans, see in stereo and hear in stereo. New research shows that the common mole relies on stereo sniffing to locate its prey. (more…)
Science & Technology - Jan 25, 2013 15:08 - 0 Comments
Tiny cookiecutter sharks snack on great whites
U. FLORIDA (US) — The great white shark occasionally becomes prey for a lone predator one-tenth its size. (more…)
Science & Technology - Jan 17, 2013 17:26 - 0 Comments
Crocs with short snouts chomp larger prey
MONASH U. (AUS) — The shape of a crocodile’s jaws could determine its ability to feast on different size prey, from large mammals to small fish. (more…)
Science & Technology - Dec 20, 2012 10:47 - 1 Comment
Wild animals know how to handle stress
U. TORONTO (CAN) — A snowshoe hare in the wild leads a stressful life, liable to become someone’s dinner at any moment—but unlike humans, they don’t develop ulcers, heart disease, or depression. (more…)
Science & Technology - Dec 20, 2012 9:24 - 0 Comments
Whales ‘multi-task’ by crooning at dinner
DUKE/UC SANTA BARBARA (US) — In order to eat continuously but also find mates, humpback whales sing while they hunt, new research shows. (more…)
Science & Technology - Dec 3, 2012 13:15 - 0 Comments
Robots act like squirrels to trick other robots
GEORGIA TECH (US) — Robots have learned how to deceive each other by copying squirrels and birds. (more…)
Science & Technology - Nov 9, 2012 13:12 - 1 Comment
Cat fang fossils reveal overlap with bear dogs
U. MICHIGAN (US) — The fossilized fangs of saber-toothed cats hint at how the extinct mammals shared space and food with other large predators 9 million years ago. (more…)
Science & Technology - Oct 9, 2012 15:42 - 0 Comments
Without any pests, plants relax quickly
CORNELL (US) — When researchers removed bugs, a species of native wildflower let its guard down after just three to four generations. (more…)
Science & Technology - Oct 4, 2012 14:36 - 0 Comments
Bacteria do ‘the wave’ to gobble up prey
RICE (US) — One of the world’s smallest predators, Myxococcus Xanthus, engulfs and devours other bacteria by traveling in a wave, and scientists have figured out how. (more…)
Science & Technology - Sep 18, 2012 11:46 - 1 Comment
How bats catch prey that’s sitting still
YALE (US) — Using high-speed video, scientists have figured out how bats use echolocation to find prey that’s holding still—and hope to use their discovery to improve robots. (more…)
Science & Technology - Aug 23, 2012 16:15 - 0 Comments
Video game for fish shows how prey survive
PRINCETON (US) — A video game designed for predatory fish may answer some lingering questions about how group formation and movement evolve in animals. (more…)
Science & Technology - Aug 6, 2012 14:31 - 0 Comments
Beetles eavesdrop on ant pheromone chatter
U. MICHIGAN (US) — Predatory beetles can detect the unique alarm signal released by ants being attacked by parasitic flies, and use what they overhear to pick safe egg-laying sites on coffee bushes. (more…)
Top Stories - Jul 24, 2012 11:07 - 1 Comment
Mouse brain sniffs out smell of fear
BROWN (US) — When it comes to predators, mice have little room for mistakes. Fortunately, they appear to have a hotline between their nose and brain that gives them the instinct to flee. (more…)
Science & Technology - Jul 11, 2012 15:25 - 0 Comments
When under attack, caterpillars bulk up
PURDUE / CORNELL (US) — Unlike most animals that stop growing when faced with a predator, hornworm caterpillars actually develop faster, even though they slow or completely stop munching on a meal. (more…)
Science & Technology - Feb 29, 2012 14:18 - 0 Comments
Like tiny predators, ticks hunt wary prey
WASHINGTON U.-ST. LOUIS (US) — Ticks hunt potential hosts like predators after prey, and those host animals are more wary of parasites than previously thought. (more…)
Earth & Environment - Oct 31, 2011 6:00 - 0 Comments
Fish can scare a dragonfly to death
U. TORONTO (CAN) — The mere presence of a predator can cause enough stress to kill a dragonfly, even when the predator can’t actually get at its prey to eat it. (more…)
