duminică, 22 aprilie 2012

DID YOU KNOW THAT ...?


☺Bats are the only flying mammals.
☺Bats first appeared 50.000.000 years ago.
☺The world's smallest bat lives in Thailand and it has a weight of 1.5 - 2 grams and a wingspan of 15 cm.
☺The greatest weight of a bat is of about 1.5 kg (Pteropus edulis).
☺The smallest bat in Romania is Pipistrellus pipistrellus, which weights just 3.5 grams. The largest colony of Pipistrellus pipistrellus in Romania can be found in Sura Mare Cave, Hunedoara County.
☺An insectivore bat eats around 10 kg of insects in a lifetime.
☺The largest bat colony in the world can be found in Bracken Caves (USA). At around 1960 it was estimated at a population of about 40,000,000 bats.
 ☺In Cave Trois - Freres (France) there are cave drawings, that represent bats in flight and which date back 35,000 years.
☺Johann Strauss composed the operetta "The Bat”.
☺In China, bats are considered guarantors of good luck, happiness and longevity.
☺Bat mortality in the first year of life, is 50% (in the temperate zone), because young bats haven’t got the experience of choosing the best places for hibernation.
☺The most despised bat is Desmodus rotundus- the Vampire Bat, which can double its weight in one night with about 3-5 grams.
 ☺The largest colony of bats in Europe is Cave Papara’s Huda (Romania, Alba county), where there were counted approximately 84,000 bats belonging to 9 species. Inventory was coordinated by prof. Dr. Ion Coroiu from the Faculty of Biology at Babes Bolyai University of Cluj Napoca.
The young orphans of Desmodos rotundus species are adapted by other female
☺European bats gestation lasts from 45 days to 70. Bats from warm areas have a shorter gestation period.
☺In the world there have been identified 1100 species of bats, of which 80% live in warm areas.
☺71% of the total number of species of bats are insectivore and only 0.3% are hematophagous (they feed with blood).
☺Accidental awakening of a hibernating bat shortens its resistance with 50 days.
☺Usually bats have one to three litters (Pipistrellus pipistrellus have 2 litters).
☺ The mammals that hunt bats are: the stone marten, the fox, the rat, the cat, the ermine, the raccoon.
☺The first decree that was meant to protect the bats, was developed in Holland (anul1880) and the second in Hungary (1901).
☺The movie "Batman" (filmed in 1989) brought over $ 240 million. The series continued with the films "Batman Begins", released in 2005 (collecting $ 370 million) and "The Darkknight" which brought $ 60 million XXX on the premiere day. Movies have been starring Michael Keaton, Jack Nicholson, Kim Basinger and were produced by Warner Bros.
☺There are just 3 species of bats that eat fish.
☺Bats have exceptional longevity for some mammals of their size. In specialist publications are cited even ages exceeding 30 years (Myotis lucifugus).
☺In Europe, rabies transmitted by bats was found in Belgium, Denmark, Turkey, Serbia. In Romania no such cases have been reported.
☺In Romania there is a report of one bat to 50 people.
☺The Total quantity of insects consumed by bats in Romania is of about 400,000 kg.
☺The largest bat in Romania is Nyctalus lasiopterus that weighs 75-80 grams.
☺Aristotle was the first to say that bats are mammals. He said this in his "natural studies".
☺In Gabon and Cameroon, hipposideros gigas bat species is consumed by local people, and its taste resembles that of snipe.
☺Leonardo da Vinci used the bat as a model when he designed his flying car.

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