In the last four decades, dugong (Dugong dugon) aggregations have been rarely reported from the geographically isolated, vast seascape of the Andaman Islands, India. The Indian Ocean tsunami of 2004, hunting, coastal development, and habitat loss are the major causes of this change in the social system of dugongs in …
camera traps work well to estimate species diversity of medium and large mammals, a recent study says. Counting the number of mammals in dense tropical forests is difficult and rare species are often missed out. Camera traps offer a new tool for finding the number of large and medium sized …
The germs that help cattle eat grass and gorillas gorge on leaves may have been the secret weapon that let mammals populate the planet, researchers reported on Thursday. Two separate teams of researchers reported on the bacteria living in and on the bodies of humans and other animals, and found …
About six waves of massive extinction are known in the history of the Earth, the last one wiped out dinosaurs 65 million years ago. Now, add one more to the list
Canada's annual seal hunt, the world's largest marine mammal hunt, kicked off on March 28. To curb international protests over the hunt, the Canadian government has come up with new rules, saying that more humane killing methods will be followed this year. Total catch limit of harp seals for the …
A new study has claimed that lack of a heatgenerating tissue may have contributed to the extinction of dinosaurs. A team of researchers at New York Medical College came to the conclusion after discovering why birds, unlike mammals, lack a tissue that is specialised to generate heat, the
ANIMAL MAGNETISM: Bats use a magnetic substance in their body called magnetite as an ‘internal compass’ to help them navigate. The researchers monitored movements in bats by using radio transmitters. But such monitoring is limited to short distances only. Magnetite is found in the cells of many birds and mammals, …
L-R: Typical forest full of natural resources (Tangabati, Chittagong). Tribal people collect natural water without any contamination just at the base of hills; w(Mirersharai, Chittagong). In analysis of ecological studies, it is found that human activities are altering ecosystem on four basic point: by (a) selectively destroying species; (b) importing …
A dead dolphin, washed ashore at the beach behind Theosophical Society in Adyar, has raised concern among environmental activists. This is the third dolphin to be found dead on the Chennai coast in the past one month. According to Supraja Dharani, chairperson, TREE foundation, it was a Risso's dolphin, a …
In response to information about a mysterious illness that has been associated with the deaths of more than 8,000 bats, conservation groups have asked the us Fish and Wildlife Service to close all bat hibernation sites and withdraw all federal permits to harm or kill the imperilled bats until the …
The king penguin, a species that rebounded from near extinction over the past century, could be wiped out in coming decades because of global warming. The king penguin, a species that rebounded from near extinction over the past century, could be wiped out in coming decades because of global warming. …
Experience in scientific committees for the assessment of environmental and health risks of GMOs, and in biological, biostatistical research and medicine, allowed us to review and criticize mammalian feeding trials with GMOs, and make new proposals. Mammalian feeding trials have been usually performed for regulatory purposes, in order to obtain …
Though there have been very many reports on illegal trade, this is the probably the first on Trade in Nilgiri Bio Reserve Area. This report is the result of an extensive study conducted at odd hours for six months. No word of this report can be challenged as Vatavaran has …
new evidence suggests that evolution of birds and mammals in the temperate zone is faster than in the tropics, contrary to an earlier theory that said tropics were more favourable. It has been believed that since the tropics have more number of species, the rate of evolution is more in …
The first assessment of European mammals by the International Union for the Conservation of Nature and Natural Resources (iucn) says one-sixth of them are facing the threat of extinction Another 9 per cent of the 231 mammals in Europe, also under threat, will soon enter the threatened category of iucn's …
don't go by their size. Large mammalian carnivores are a vulnerable lot. A paper published recently says that they constantly face the threat of extinction because their body mass follows a particular pattern of energy intake and expenditure and also because they do not find their food easily. The study …
Angering environmentalists, the us Defense Department has exempted the Navy from complying with the Marine Mammal Protection Act for the next two years. The Navy contended that it needs the exemption, allowed under the 2004 National Defense Authorization Act, to have enough time to conduct environmental impact statements for sonar …
numbers phobia: Children with Foetal Alcohol Spectrum Disorder (FASD) have particular difficulty understanding numbers and sequences, a University of Alberta study shows. An assessment of 50 Canadian children diagnosed with FASD, a condition caused by the mother's alcohol consumption while a foetus is still in the womb, revealed that the …
A mystery disease is wiping out large numbers of the native little red flying fox from the skies of Katherine town in the Northern Territory of Australia. Scientists are yet to identify the exact reason behind the declining number of the mammal in the past 10 months, but fear a …
