Enemies include snakes and humans. A poisonous snake never attacks. When meeting with a person she tries to crawl away to the shelter. The bites are the only means of protection of the disturbed snakes. However, a person encountering a venomous snake, mercilessly killing her.
Obvodnaya or draining certain areas, people indirectly harm the snakes living there, depriving them of a favorable condition. While fighting the rodents, it deprives them poor.
Sickness of snakes is poorly known. Some data are available regarding the parasite of the Viper and steppe Viper. The vipers registered 8 species of parasites: 3 — of flagellates, 2 ” tape 1 ” round worms, 1 — of acanthocephala, and 1 — mites (Markov and others 1966). The Central Asian Viper — 11 species of parasites, of which 2 are of the simplest type, 1 — to tapeworms, 5 ” round worms, 1 — the acanthocephalans and 2 — to ticks (Zinyakova and others 1966). In the Viper and the Viper obnaruzheno lung, upper respiratory tract and liver spot tubercles of tuberculosis. There have been cases of diseases of the mouth.
Venomous Continue reading
Almost all snakes reproduce sexually, with the participation of female and male. Only certain species are capable of parthenogenesis, i.e. the reproduction is not transmitted sexually, and from unfertilized eggs without the participation of a male. There among the snakes, as a rare exception, and true hermaphrodites, i.e. individuals who are simultaneously female and male. Such exceptional case was recorded on the small island of Queimada-Grande, South America. There were found the snake, dubbed the island bothrops, among which, in addition to ordinary females and males, meet bisexual individuals who make up the majority of the population. These individuals are females, while the ovaries are the male copulatory organs and Mature testes. Such individuals may in some cases play the role of females and to breed, and the males are fertilizing other females (ordinary or hermaphrodite). The existence in the population of the island bothrops such unusual females is so efficient, the need for normal males has dropped, and their share in recent years has declined.
The female from the male in the overwhelming majority of snake species difficult to distinguish. The serpent the visible Continue reading
After hurricane Katrina await epidemics, invasions of snakes and alligators
Official representatives of the United States Federal government, which hastily sent medical equipment and professionals affected by the hurricane “Katrina” areas on the Atlantic coast of the country, warned that the disaster may entail very adverse consequences for the health of the population over a long period, writes The New York Times.
According to officials, they are particularly concerned about the likelihood of outbreaks due to contamination of drinking water by sewage, and because spoiled food and possible transfer of dangerous diseases of animals, especially insects, and the bites of poisonous snakes.
A lot of people died in the hurricane. Some were drowned. Two people died from carbon monoxide poisoning resulting from the use of gas generators in areas with poor ventilation. Nine persons poisoned with carbon monoxide, ended up in the hospital, said Federal officials at a press conference in Atlanta – the city in which is located the Center of control and prevention of diseases.
Yesterday rescuers have been searching the wounded and needy in the area where the hurricane, Continue reading