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Fauna of Africa and Australia. Photo Album – 2020. Romans Arzjancevs
Читать онлайн.Название Fauna of Africa and Australia. Photo Album – 2020
Год выпуска 0
isbn 9785005191755
Автор произведения Romans Arzjancevs
Жанр Биология
Издательство Издательские решения
– A V E R A G E L I F E S P A N I N C A P T I V I T Y: 23 years.
– During adverse weather or if disturbed they will retreat to their burrow systems. They cover between 2 and 5 kilometres per night; however, some studies have shown that they may traverse as far as 30 kilometres in a night.
LESSER EGYPTIAN JERBOA
– Jerboas have the ability to hop huge distances relative to its size, an ability that evolved as an adaptation to help them escape from predators, and to aid with long journeys and foraging in its desert environment.
– This small creature has the ability to leap a full meter to escape a predator.
– Jerboas are nocturnal. During the heat of the day, they shelter in burrows. They create four separate types of burrow: two temporary, and two permanent.
SUNDEVALL’S JIRD
– Sundevall’s jird is a medium-sized gerbilline rodent with an average mass of about 100 g.
– Life span: 5.6 years.
– Along with parasites come the parasites of parasites, in this case bacteria. Bacteria can be transmitted to the Sundevall’s jird by the flea biting the rodent.
STRAW COLOURED FRUIT BAT
– The bats tend to live in groups of over 100,000 and at times that number may increase to almost one million. At night the bats leave the roost in smaller groups to find food by sight and smell.
– Although they feed at night, straw-coloured fruit bats are not necessarily nocturnal. During the day, they will be found resting and moving among the colony. Year to year, season to season, the bats will return to the same place where they found food the previous year or season.
– The diets of straw-coloured fruit bats vary depending on whether or not they are living in captivity. Wild bats usually eat bark, flowers, leaves, nectar, and fruits. In captivity, they are fed various mixes, including apples, oranges, bananas, grapes, and cantaloupe. In some zoos, they are also fed a marmoset diet.
NIGERIA
SIDE STRIPED JACKAL
– Weight: 6,5 – 14 kg.
– Life expectancy: 12 – 14 years in captivity.
– Leopards, hyenas and eagles are jackals’ most feared predators. Eagles are Leopards, hyenas and eagles are jackals’ most feared predators. Eagles are small pups biggest threat. small pups biggest threa.
HOODED VULTURE
– They often move in flocks (50- 250 individuals) in West Africa, especially when foraging at abattoirs or elephant carcasses, while in southern Africa they are solitary and secretive, making them hard to spot when nesting. They are known to follow scavenging African wild dogs and hyaenas.
– Vultures have relatively weak legs and feet with blunt talons, though they do have powerful bills. If a carcass is too stiff for them to rip open, they will wait for another predator to open the flesh before they feed.
– A vulture’s stomach acid is significantly stronger and more corrosive than that of other animals or birds. This allows these scavengers to feed on rotting carcasses that may be infected with dangerous bacteria because the acid will kill that bacteria, so it does not threaten the vulture.
GREEN BEE EATER
– Green bee-eater has emeraldgreen plumage, black mask around eyes, necklace-like black line on a throat and two black stripes on the tail. Wings are green with a tinge of reddish-brown color.
– Green bee-eater is active during the day (diurnal bird).
– Green bee-eater hunts and eats different types of flying insects such as honey bees, grasshoppers, fruit flies, ants and wasps. Name «beeeater» refers to the favorite type of food of this species – bees. Fruit and berries are occasionally on the menu.
WESTERN GORILLA
– They are victims of poaching, diseases and habitat loss.
– Their life expectancy in the wild is up to 40 years.
– However, the gorilla remains vulnerable to Ebola, deforestation, and poaching.
SAINT HELENA ISLAND
SAINT HELENA PLOVER
– The St. Helena Plover feeds mainly on ground-living insects such as beetles and caterpillars, usually caught by running, stop and grabbing the prey with the bill. It spends up to 60% of the day in foraging, and especially in the early morning and the late afternoon.
– The bird is similar in appearance to the Kittlitz’s plover of sub-Saharan Africa, but is rather larger. It is the national bird of St Helena and has been depicted on the country’s coins.
– n 2016, the population had recovered to about 560 mature individuals, from a previous minimum of less than 200 in 2006; consequently, the species was downlisted to Vulnurable from its previous assessment of Critically Endangered.
SAINT HELENA PETREL
– They are known to attack other birds, either beating them to death or drowning them. This applies especially to juvenile birds and chicks.
– Petrels produce stomach oil which they can either spray out as a defensive measure or can be regurgitated as an energy-rich food for chicks or for themselves during long flights.
– Like some other seabird species, Giant Petrels secrete a saline solution from a nasal passage in order to rid their bodies of the excess salt they swallow while feeding.
SAINT HELENA CUCKOO
– Cuckoo spit has nothing to do with cuckoos, but is produced by insects as a protection from predators.
– The cuckoo’s favourite diet is hairy caterpillars.
– The cuckoo spends nine months of the year in tropical Africa, where it has never been heard to sing.
SAINT HELENA HOOPOE
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