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Seri's Tree-kangaroo
Seri's tree-kangaroo (''Dendrolagus stellarum'') is a species of tree-kangaroo native and endemic to montane forests of west-central New Guinea. Seri's tree-kangaroo was originally considered to be a subspecies of ''Dendrolagus dorianus'', but was elevated to species in 2005 by Groves. Distribution Its elevational distribution is rather different from that of the other related species, in that it descends no lower than about 2600 metres. The forest becomes less mossy and more diverse, below this elevation. It is not clear why it is restricted to such high elevations, unlike the closely related Ifola (''Dendrolagus notatus'') which descends to much lower elevations. Description "Seri's tree-kangaroo is one of the most attractive members of the Doria's complex. Very young animals have a bright yellow tail and a very dark body, but as they age the tail darkens and the distinctive silvery tipping develops on the limbs. The heavily silver-frosted coat colour of adults blends extrao ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tim Flannery
Timothy Fridtjof Flannery (born 28 January 1956) is an Australian mammalogist, palaeontologist, environmentalist, Conservation biology, conservationist, Exploration, explorer, author, Science communication, science communicator, activist and public scientist. He was awarded Australian of the Year in 2007 for his work and advocacy on environmental issues. Flannery grew up in Sandringham, Victoria, Sandringham, and studied English at La Trobe University in 1977. He then switched disciplines to pursue paleontology. As a researcher, Flannery had roles at several universities and museums in Australia, specialising in fossil Marsupial, marsupials and Evolution of mammals, mammal evolution. He made notable contributions to the palaeontology of Australia and New Guinea during the 1980s, including reviewing the evolution and fossil records of Phalangeridae and Macropodidae. While mammal curator at the Australian Museum, he undertook a survey of the mammals of Melanesia, where he identif ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Moss
Mosses are small, non-vascular flowerless plants in the taxonomic division Bryophyta (, ) '' sensu stricto''. Bryophyta (''sensu lato'', Schimp. 1879) may also refer to the parent group bryophytes, which comprise liverworts, mosses, and hornworts. Mosses typically form dense green clumps or mats, often in damp or shady locations. The individual plants are usually composed of simple leaves that are generally only one cell thick, attached to a stem that may be branched or unbranched and has only a limited role in conducting water and nutrients. Although some species have conducting tissues, these are generally poorly developed and structurally different from similar tissue found in vascular plants. Mosses do not have seeds and after fertilisation develop sporophytes with unbranched stalks topped with single capsules containing spores. They are typically tall, though some species are much larger. ''Dawsonia'', the tallest moss in the world, can grow to in height. There are a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mammals Of Western New Guinea
Mammals () are a group of vertebrate animals constituting the class Mammalia (), characterized by the presence of mammary glands which in females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three middle ear bones. These characteristics distinguish them from reptiles (including birds) from which they diverged in the Carboniferous, over 300 million years ago. Around 6,400 extant species of mammals have been described divided into 29 orders. The largest orders, in terms of number of species, are the rodents, bats, and Eulipotyphla (hedgehogs, moles, shrews, and others). The next three are the Primates (including humans, apes, monkeys, and others), the Artiodactyla (cetaceans and even-toed ungulates), and the Carnivora (cats, dogs, seals, and others). In terms of cladistics, which reflects evolutionary history, mammals are the only living members of the Synapsida (synapsids); this clade, together with Sauropsida ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mammals Of Papua New Guinea
Mammals () are a group of vertebrate animals constituting the class (biology), class Mammalia (), characterized by the presence of mammary glands which in Female#Mammalian female, females produce milk for feeding (nursing) their young, a neocortex (a region of the brain), fur or hair, and three ossicles, middle ear bones. These characteristics distinguish them from reptiles (including birds) from which they Genetic divergence, diverged in the Carboniferous, over 300 million years ago. Around 6,400 extant taxon, extant species of mammals have been described divided into 29 Order (biology), orders. The largest Order (biology), orders, in terms of number of species, are the rodents, bats, and Eulipotyphla (hedgehogs, Mole (animal), moles, shrews, and others). The next three are the Primates (including humans, apes, monkeys, and others), the Artiodactyla (cetaceans and even-toed ungulates), and the Carnivora (cats, dogs, pinniped, seals, and others). In terms of cladistic ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lichen
A lichen ( , ) is a composite organism that arises from algae or cyanobacteria living among filaments of multiple fungi species in a mutualistic relationship.Introduction to Lichens – An Alliance between Kingdoms . University of California Museum of Paleontology. Lichens have properties different from those of their component organisms. They come in many colors, sizes, and forms and are sometimes plant-like, but are not s. They may have tiny, leafless branches (); flat leaf-like structures ( |
Epiphytic
An epiphyte is an organism that grows on the surface of a plant and derives its moisture and nutrients from the air, rain, water (in marine environments) or from debris accumulating around it. The plants on which epiphytes grow are called phorophytes. Epiphytes take part in nutrient cycles and add to both the diversity and biomass of the ecosystem in which they occur, like any other organism. They are an important source of food for many species. Typically, the older parts of a plant will have more epiphytes growing on them. Epiphytes differ from parasites in that they grow on other plants for physical support and do not necessarily affect the host negatively. An organism that grows on another organism that is not a plant may be called an epibiont. Epiphytes are usually found in the temperate zone (e.g., many mosses, liverworts, lichens, and algae) or in the tropics (e.g., many ferns, cacti, orchids, and bromeliads). Epiphyte species make good houseplants due to their minimal water ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Camouflage
Camouflage is the use of any combination of materials, coloration, or illumination for concealment, either by making animals or objects hard to see, or by disguising them as something else. Examples include the leopard's spotted coat, the battledress of a modern soldier, and the leaf-mimic katydid's wings. A third approach, motion dazzle, confuses the observer with a conspicuous pattern, making the object visible but momentarily harder to locate, as well as making general aiming easier. The majority of camouflage methods aim for crypsis, often through a general resemblance to the background, high contrast disruptive coloration, eliminating shadow, and countershading. In the open ocean, where there is no background, the principal methods of camouflage are transparency, silvering, and countershading, while the ability to produce light is among other things used for counter-illumination on the undersides of cephalopods such as squid. Some animals, such as chameleons and o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dendrolagus Notatus
''Dendrolagus notatus'', the ifola or ifola tree kangaroo, is a species of marsupial in the family Macropodidae. It is endemic to Papua New Guinea where it is found in high elevations of the central mountains. It is threatened by habitat loss and hunting for food with dogs by local people. The species is usually considered a subspecies of ''Dendrolagus dorianus Doria's tree-kangaroo (''Dendrolagus dorianus'') is a long-tailed, furry, bear-like mammal found only in tropical mountain forests on the island of New Guinea (in Papua New Guinea). It is one of the largest tree-kangaroos (genus ''Dendrolagus''), ...'' but has recently been considered as a separate species by Helgen in 2007. References Macropods Mammals of Papua New Guinea Marsupials of New Guinea {{Diprotodont-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colin Groves
Colin Peter Groves (24 June 1942 – 30 November 2017) was a British-Australian biologist and anthropologist. Groves was Professor of Biological Anthropology at the Australian National University in Canberra, Australia. Education Born in England, Groves completed a Bachelor of Science at University College London in 1963, and a Doctor of Philosophy at the Royal Free Hospital School of Medicine in 1966. From 1966 to 1973, he was a Postdoctoral Researcher and Teaching Fellow at the University of California, Berkeley, Queen Elizabeth College and the University of Cambridge. Career Groves emigrated to Australia in 1973 and joined the Australian National University, where he was promoted to full Professor in 2000 and remained Emeritus Professor until his death. Along with the Czech biologist Professor Vratislav Mazák, Groves was the describer of ''Homo ergaster''. Groves also wrote ''Primate Taxonomy'' published by the Smithsonian Institution Press in 2001, and Ungulate Taxonomy, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tree-kangaroo
Tree-kangaroos are marsupials of the genus ''Dendrolagus'', adapted for arboreal locomotion. They inhabit the tropical rainforests of New Guinea and far northeastern Queensland, along with some of the islands in the region. All tree-kangaroos are considered threatened due to hunting and habitat destruction. They are the only true arboreal macropods. Evolutionary history The evolutionary history of tree-kangaroos possibly begins with a rainforest floor-dwelling pademelon-like ancestor. This ancestor possibly evolved from an arboreal possum-like ancestor as is suspected of all macropodid marsupials in Australia and New Guinea. During the late Eocene, the Australian/New Guinean continent began a period of drying that caused a retreat in the area of rainforest, which forced the ancestral pademelons to begin living in a dryer, rockier environment. After some generations of adaptation to the new environment, the pademelons may have evolved into rock-wallabies (''Petrogale'' spp.), w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. However, only about 14% of these had been described by 2011. All species (except viruses) are given a two-part name, a "binomial". The first part of a binomial is the genus to which the species belongs. The second part is called the specific name or the specific epithet (in botanical nomenclature, also sometimes i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dendrolagus Dorianus
Doria's tree-kangaroo (''Dendrolagus dorianus'') is a long-tailed, furry, bear-like mammal found only in tropical mountain forests on the island of New Guinea (in Papua New Guinea). It is one of the largest tree-kangaroos (genus ''Dendrolagus''), living alone in trees and active at night to feed on leaves or fruit. It belongs to the macropod family (Macropodidae) with kangaroos, and carries its young in a pouch like other marsupials. Threats include hunting and habitat loss. Distribution This marsupial is found in montane forests of southeastern New Guinea island, at elevations between . The species was named in 1883 by Edward Pierson Ramsay in honour of Italian zoologist Giacomo Doria. Description Doria's tree-kangaroo is one of the largest tree-kangaroo species, and, on average, weighs between , its length is , with a long tail. It has long dense brown fur with black ears and a pale brown or cream nonprehensile tail. It has large and powerful claws and a stocky build that giv ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
