After a decade’s worth of effort, an international team of researchers has for the first time been able to track the swarms of migratory insects that soar above the skies of southern England each year, according to a new study published online Friday by the journal Science.What they found was that approximately 3.5 trillion bugs and butterflies migrate annual above the region, and that together they comprise 3,200 tons of biomass – seven times greater than the mass of songbirds that travel from the UK to Africa each year, and equal to some 20,000 flying reindeer, scientists from the University of Exeter and Rothamsted Research reported.
According to BBC News, the researchers counted the swarms of insects using a combination of vertical radar and balloon-mounted insect nets.They calculated the numbers of insects that flew at altitudes of 150 and 1,200 meters, both during the day and at night, for a total of 10 years.It is listed as Vulnerable on the IUCN Red List because leopard populations are threatened by habitat loss and fragmentation, and are declining in large parts of the global range. spelaea, appeared at the beginning of the Late Pleistocene and survived until about 24,000 years ago in several parts of Europe.In Hong Kong, Singapore, Kuwait, Syria, Libya, Tunisia and most likely in Morocco, leopard populations have already been extirpated. The leopard has the largest distribution of all wild cats, occurring widely in Africa as well as the Caucasus and Asia, although populations are fragmented and declining. In sub-Saharan Africa, it is still numerous and surviving in marginal habitats where other large cats have disappeared.The leopard is distinguished by its well-camouflaged fur, opportunistic hunting behaviour, broad diet, strength, and its ability to adapt to a variety of habitats ranging from rainforest to steppe, including arid and montane areas. Leopard-like fossil bones and teeth possibly dating to the Pliocene were excavated in Perrier in France, northeast of London, and in Valdarno, Italy. Although adaptable to human disturbances, leopards require healthy prey populations and appropriate vegetative cover for hunting for prolonged survival and thus rarely linger in heavily developed areas.
It can run at speeds of up to 58 kilometres per hour (36 mph). Until 1940, similar fossils dating back to the Pleistocene were excavated mostly in loess and caves at 40 sites in Europe, including Furninha Cave near Lisbon, Genista Caves in Gibraltar, and Santander Province in northern Spain to several sites across France, Switzerland, Italy, Austria, Germany, in the north up to Derby in England, in the east to Přerov in the Czech Republic and the Baranya in southern Hungary, by P. Due to the leopard's stealthiness, people often remain unaware that they live in nearby areas.
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The skull of a West African panther measured 11.25 in (28.6 cm) in basal length, and 7.125 in (18.10 cm) in breadth, and weighed 1 lb 12 oz (790 g). However, no significant association were found between a conspicuous colour of tail patches and behavioural variables in carnivores.
It is muscular, with relatively short limbs and a broad head. Leopards are active mainly from dusk till dawn and rest for most of the day and for some hours at night in thickets, among rocks or over tree branches.
Spots fade toward the white underbelly and the insides and lower parts of the legs. In Peninsular Malaysia, leopards are present in Belum-Temengor, Taman Negara and Endau-Rompin National Parks.