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Crocodiles Are Cleverer Than Previously Thought: Some Crocodiles Use Lures to Hunt Their Prey
Biologists have observed two
crocodilian species --
muggers and American
alligators -- using twigs
and sticks to lure birds,
... > full story
Multi-Dog Study Points to Canine Brain's Reward Center
After capturing the first
brain images of two alert,
unrestrained dogs last year,
researchers have confirmed
their methods and results by
replicating them in an
... > full story
First Evidence of Primates Regularly Sleeping in Caves
Scientists have discovered
that some ring-tailed lemurs
in Madagascar regularly
retire to limestone chambers
for their nightly snoozes,
the first evidence of the
... > full story
Multiple Mates Worth the Risk for Female Prairie Dogs
Mating with more than one
male increases reproductive
success for female prairie
dogs, despite an increase in
risks such as increased
susceptibility to predation
... > full story
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No Blue Skies for Mice: Scientist Study Differential Distribution of Photoreceptors in Retina of Mice
December 4, 2013 — Guppies, hyenas and mice share one particular retinal specialization in their eye: Photoreceptors (“cones”) sensitive to ‘green’ light are largely located in the top half of ... > full story -
Fossils Clarify the Origins of Wasps and Their Kin: Alderfly Ancestors, Snakefly Cousins
December 4, 2013 — The insect order Hymenoptera -- wasps, bees, ants and relatives -- is the third most diverse animal group, but its origin remains controversial. Fossils from Permian beds of Russia demonstrate that ... > full story -
Five Distinct Humpback Whale Populations Identified in North Pacific
December 4, 2013 — The first comprehensive genetic study of humpback whale populations in the North Pacific Ocean has identified five distinct populations -- at the same time a proposal to designate North Pacific ... > full story -
Harlequin Ladybugs Escape Enemies While Native Species Succumb
December 4, 2013 — The astonishing success of the alien invasive harlequin ladybird (ladybug) in Britain has given a team of scientists a unique opportunity to investigate a key ecological theory – the Enemy ... > full story -
Signalers Vs. Strong Silent Types: Sparrows Exude Personalities During Fights
December 3, 2013 — Some song sparrows are more effusive than others in defending territory. New findings show consistent individual differences not only for how aggressive individual song sparrows are but also for how ... > full story -
Antarctic Fjords Are Climate-Sensitive Hotspots of Diversity in a Rapidly Warming Region
December 3, 2013 — In the first significant study of seafloor communities in the glacier-dominated fjords along the west Antarctic Peninsula, scientists expected to find an impoverished seafloor highly disturbed by ... > full story -
Domestication of Dogs May Have Elaborated on a Pre-Existing Capacity of Wolves to Learn from Humans
December 3, 2013 — Wolves can learn from observing humans and pack members where food is hidden and recognize when humans only pretend to hide food, reports a new study. The findings imply that when our ancestors ... > full story -
Silent Stalkers of Dark Ocean Waters: Killer Whales Hunt Marine Mammals at Night in Near Total Darkness
December 3, 2013 — The mating roar of a male harbor seal is supposed to attract a partner, not a predator. Unfortunately for the seals, scientists have found evidence that marine-mammal-eating killer whales eavesdrop ... > full story -
Catastrophic Collapse of Sahara Desert's Wildlife
December 3, 2013 — A new study warns that the world’s largest tropical desert, the Sahara, has suffered a catastrophic collapse of its wildlife ... > full story -
New Species
Nature
Invasive Species
Evolutionary Biology
Endangered Animals
Insects (including Butterflies)
Beetles That Live With Ants: A Remarkably Large and Colorful New Species from Guyane
December 3, 2013 — The Pseudomorphini Tribe of the Family Carabidae is a group of extraordinary beetles reported to live with ants in the soil and in the rainforest canopy. Mostly dull colored and relatively small, ... > full story
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