Venezuelan pitcher plant uses wettable hairs to make insects slip into its deadly traps
An insect-trapping pitcher plant in Venezuela uses its downward pointing hairs to create a 'water slide' on which insects slip to their death, new research reveals. The research was published today, 19 December, ...
Birdsong bluster may dupe strange females, but it won't fool partners
(Phys.org)—Male birds use their song to dupe females they have just met by pretending they are in excellent physical condition. Just as some men try to cast themselves in a better light when they approach ...
The slower you grow, the longer you live: Growth rate influences lifespan, research finds
(Phys.org)—New research from the University of Glasgow suggests that lifespan is affected by the rate at which bodies grow early in life.
Researcher finds gender differences in seasonal auditory changes
Auditory systems differ between sexes in sparrows depending on the season, a Georgia State University neuroscientist has found. The work adds to our knowledge of how the parts of the nervous system, including ...
Hushed hoarders and prying pilferers
In order to prevent other birds from stealing the food they are storing for later, Eurasian jays, a type of corvid, minimizes any auditory hints a potential pilferer may use to steal their cache (food that ...
Evolution: Social exclusion leads to cooperation
Social exclusion as a punishment strategy helps explain the evolution of cooperation, according to new research published today in the Proceedings of the Royal Society B.
Bigger fish to fry: Egg position affects size and behaviour of young trout
(Phys.org)—Researchers at the University of Glasgow have discovered the behaviour and metabolism of young trout is affected by where the egg they hatched from rested in the ovaries of their mother.
For some feathered dinosaurs, bigger not necessarily better
Every kid knows that giant carnivores like Tyrannosaurus rex dominated the Cretaceous period, but they weren't the only big guys in town. Giant plant-eating theropods – close relatives of both T. rex and t ...
Are elder siblings helpers or competitors?
Having elder siblings decreases mortality risk in childhood, but same-sex elder siblings are associated with lower marriage rates and fewer children for their younger siblings in adulthood, according to the ...
Study tracks brain gene response to territorial aggression
With a mate and a nest to protect, the male threespined stickleback is a fierce fish, chasing and biting other males until they go away.
Large numbers of salmon are killed by parasites, finds new study
(Phys.org)—An "unexpectedly large" number of free-ranging salmon are being killed by parasitic lice in European waters every year, according to the results of a major international study.
Why are so many fairy-wrens blue?
(Phys.org)—Researchers have long tried to explain the enormous diversity in colour of birds, and a new study is giving insights into why the humble fairy-wren, a colourful Australian bird, is radiantly ...
High-flying geese take low profile over Himalayas
(Phys.org)—Bar-headed geese are star fliers of the bird world. As well as being striking looking creatures, they have become famous for making incredible annual migrations over the world's highest mountain ...
Father of flying fish found in China, palaeontologists say
Palaeontologists in China say they have found the world's oldest flying fish, a strange, snub-nosed creature that glided over water in a bid to evade predators some 240 million years ago.