Nature News
Crayfish battles - Fool your enemy
Posted Wed, 14 Mar 2012 09:53:59 GMT by Dave ArmstrongThe slender crayfish (Cherax dispar) is an Australian freshwater crustacean which loves to nip off your finger if you'll let it. Such useful aggression keeps it safe and in its territory where it battles all comers.
Crayfish battles - Fool your enemy
Eurasian rollers won't just roll over
Posted Wed, 07 Mar 2012 00:01:00 GMT by Dave ArmstrongA new study shows how Eurasian roller nestlings respond to fear and threat of predation by vomiting. Blue roller nestlings vomit informs parent birds that they have been attacked or fear they will be.
Eurasian rollers won't just roll over
The brown bear uses tools for a scrub down
Posted Tue, 06 Mar 2012 22:57:01 GMT by Dave ArmstrongBrown bears now use tools. A young brown bear (Ursus arctos) was seen using barnacle-encrusted rocks to rub its neck and muzzle.
The brown bear uses tools for a scrub down
Stinging Cells in Eyeless Hydra React to Light
Posted Mon, 05 Mar 2012 00:01:00 GMT by Dave ArmstrongDespite their lack of eyes, the stinging cells of Hydra magnipapillata respond to light, now research has found out how.
Stinging Cells in Eyeless Hydra React to Light
No Leopard like a Snow Leopard
Posted Fri, 02 Mar 2012 15:39:50 GMT by Dave ArmstrongSnow leopard prey preference has been studied in newly released research. Genomics has replaced traditional techniques to investigate what snow leopards prey on.
No Leopard like a Snow Leopard
Bottlenose dolphins whistle hello
Posted Wed, 29 Feb 2012 00:16:00 GMT by Dave ArmstrongWhistle if you like me! A new study looks at how bottlenose dolphins use signature whistles as an introduction in the wild.
Bottlenose dolphins whistle hello
King Penguins Bravely Head South
Posted Wed, 29 Feb 2012 00:01:00 GMT by Paul RobinsonThe sub-Antarctic islands hold large populations of king penguins (Aptenodytes patagonicus) but Crozet Island king penguins have been reproducing less successfully, possibly associated with warming conditions.
King Penguins Bravely Head South
Fossil from prehistoric penguin as tall as humans
Posted Mon, 27 Feb 2012 20:22:00 GMT by Adrian BishopYears after a fossilised penguin skeleton was found in New Zealand, scientists say it belonged to possibly the tallest ever prehistoric penguin; Kairuku grebneffi stood almost five feet tall.
Fossil from prehistoric penguin as tall as humans
Fungal infection kills rare rattlesnakes
Posted Wed, 22 Feb 2012 16:23:00 GMT by Linden VolsunEastern Massasauga rattlesnakes are being killed by a rare fungal infection seldom found in wild animals, says a wildlife vet. Chrysosporium is killing the endangered snake in America.
Fungal infection kills rare rattlesnakes
Discovery of New Legless Amphibians
Posted Wed, 22 Feb 2012 00:01:00 GMT by Dave ArmstrongNew family of tailless burrowing caecilian tetrapod amphibians has been discovered, but Chikilidae have no legs.
Discovery of New Legless Amphibians
New Species of Miniature Chameleon Discovered in Madagascar
Posted Wed, 15 Feb 2012 16:09:00 GMT by Dave ArmstrongCute chameleons created in genetic isolation. New Species of Miniature Leaf Chameleon (Brookesia micra) discovered in Northern Madagascar. On a small islet to the north of Madagascar, four new species of chameleons have followed the Malagasy trend and gone miniature.
New Species of Miniature Chameleon Discovered in Madagascar
Columbus beaten again, by the migration of a songbird!
Posted Wed, 15 Feb 2012 00:07:00 GMT by Dave ArmstrongThe tiny wheatear (Oenanthe oenanthe) migration ranges far and wide across the Palaearctic. Because of this complete northern distribution, it has proved impossible so far to prove where the American populations over-winter.
Columbus beaten again, by the migration of a songbird!
Elephants trumpet dietary changes
Posted Wed, 15 Feb 2012 00:06:00 GMT by Dave ArmstrongThe eating experiences of the wild African elephant, Loxodonta africana, over several decades have been difficult to measure until isotopic studies came to the rescue.
Elephants trumpet dietary changes
Comparing cities and blood systems with Atta forest ants
Posted Wed, 15 Feb 2012 00:05:00 GMT by Dave ArmstrongLeafcutter ants (Atta spp.) are the amazing ants with the attractive antics of transporting leaves to culture fungi. Rather like a city's motorway system, the leafcutter ant must organise paths to efficiently allow transport without using up energy in overlong routes.
Comparing cities and blood systems with Atta forest ants
Bitterling battle between parasite and host
Posted Wed, 15 Feb 2012 00:02:00 GMT by Paul RobinsonThe invasive species in this case is the recently-introduced (40 years ago) Asian mussel, Anodonta woodiana, whose larvae parasitise bitterling fish (Rhodeus amarus). These European fish use many Unionid mussels' gills as a safe haven for their vulnerable eggs.
Bitterling battle between parasite and host
Tarsier Secretly Squeaking
Posted Thu, 09 Feb 2012 16:11:00 GMT by Dave ArmstrongHigh in the Filipino rainforest, speeches are being made and trysts announced. Predators and prey may well be limited in their understanding, but the tiniest primate, the tarsier has been letting us turn a deaf ear.
Tarsier Secretly Squeaking
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The polyploids among the animals are the focus of the latest research, given the vast number of plant polyploids and the potential of species that have such enhanced genetic capability!
Its that season when the bees, wasps and ants are building to a climax in the Northern Hemisphere. ID can be useful, especially when you consider some of the exotic species, but apart from allergy, most of us are safe with these agricultural workers in our economy.
How will Paris be implemented? Will farming be a major player in preserving our environment as we feed more people than ever existed? The questions for future generations will be thorny, but the rainforest is a thorny clue about conserving what we have left!We're looking forward to seeing how the new NGO copes with expansion as the politics of climate mitigation progresses.
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When dolphins are 'rescued' in various countries, the car given seems to be ill-considered. We are simply looking at the success rate which is reported to be low, in most places. They could even end up in commercial aquarium shows, but they certainly rarely make it back to the sea.
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