Latest Biota Stories
Much like the bird that drew attention to it, Bayou de View - where birders reported seeing an ivory-billed woodpecker - is critically endangered, researchers said Thursday.
In the 1970s, there used to be about 1,300 beluga whales in Cook Inlet, delighting locals and tourists alike. Last year, the number was estimated at just 278. Why their numbers are dwindling has scientists puzzled - and scared.
As thousands of pink-footed geese (Anser brachyrhynchus) prepare for their spring migration north to breeding grounds in the Arctic, ecologists are warning that the escalating conflict between farmers and the geese is threatening the birds' survival. Writing in the new issue of the British Ecological Society's Journal of Applied Ecology, Professor Marcel Klaassen of the Netherlands Institute of Ecology says that international action is urgently required.
A federal judge heard arguments Monday over whether a vast irrigation project intended to help farmers in eastern Arkansas will harm the rare ivory-billed woodpecker.
It has starred in a video, been widely recorded and graced the cover of a prestigious magazine.
By Scott Reycraft TORONTO (Reuters) - Scientists are inviting schoolkids around the globe to visit with Canadian polar bears in a series of Internet video conferences from the self-styled Polar Bear Capital of the World.
GENEVA (Reuters) - Greece is pushing a unique marine turtle species toward extinction by allowing uncontrolled tourism development on Zakynthos island, the WWF conservation group said on Monday.
ALMATY (Reuters) - The United States will ban imports of beluga caviar from the Caspian Sea from Friday because of concerns that the fish may die out in the wild, an environmental campaign group said.
By David Lewis KINSHASA (Reuters) - Pygmy chimpanzees dubbed "hippies of the forest" for resolving conflicts through sex rather than violence are dying out faster than ever in post-war Democratic Republic of Congo, a conservationist said on Tuesday.
Sea turtles that receive the highest protection in Costa Rica and other neighboring countries are dying by the thousands at the hands of unregulated - and unsustainable - commercial fishing in Nicaragua, according to a study by the Bronx Zoo based Wildlife Conservation Society.
The natterjack toad, Epidalea Calamita, formerly Bufo calamita, is a toad endemic to sandy and heathland areas of Europe. The adults are about 60 to 70 millimeters long and are set apart from common toads by a yellow colored line that runs down the middle of the back. They have fairly short legs, and this provides them with a characteristic step, compared to the hopping movement of many other toad species. Natterjacks have a very loud and distinct mating call, amplified by the single vocal...
Montezuma pine (Pinus montezumae) is native to Mexico and Central America and grows in the mountain ranges. This tree is known as ocote by the locals of Mexico. This tree has been planted successfully at mid altitudes in South Africa and Queensland, Australia, and at high altitudes in Kenya, Malawi, Botswana, Zimbabwe, and Bolivia. Trees planted in New Zealand and New South Wales, Australia have done well at sea level. The Montezuma pine grows at 6,562-10,500 feet above sea level where...
Macedonian Pine (Pinus peuce) is native to Macedonia, Bulgaria, Albania, Montenegro, Kosovo, southwest Serbia, as well as the extreme north of Greece. This pine has been neutralized and grows in Eastern Finland. This pine grows best at altitudes between 3,281feet and 7,218 feet with a few growing as low as 1,969 feet and as high as 7,546 feet. This pine tolerates shade as well as extreme cold, and grows in rocky soils that are acidic and poor in nutrients. This tree grows to heights...
Japanese White Pine (Pinus parviflora) is native to Japan and found growing in Kokkaido, Honshu, Kyushu, Shikaku; and South Korea, and Utsurio-To. The Japanese call it the Japanese five-needle pine. The Japanese White Pine grows from sea level up to 8,202 feet, but grows best between 3,281 feet and 4,921 feet. Dwarfism sets in when the trees grow above sub-alpine levels. This pine grows on steep, rocky slopes and prefers well-drained soils and full sun although it does not like intense...
Chinese White Pine (Pinus armandii) is native to China as well as northern Burma. This pine is known as Mount Hua pine in Chinese. This pine grows at altitudes between 3,281 and 10,830 feet in light sandy to medium soils that is acidic and well-drained as this tree can tolerate drought. This tree grows to heights of 115 feet with a trunk diameter that measures 3 feet 3 inches. The bark is grayish brown when immature and matures to blackish brown to grayish red brown. The trunk will have...
- A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.