![]() ![]() These species have the ability to displace and imperil native species, alter entire ecosystems and fire regimes, and damage critical infrastructure.On a global scale, they can disrupt waterfowl and neo-tropical migratory bird flight patterns and nesting habitats, and result in loss of productivity to private landowners. It is critical to understand that what we are discussing here today is an assault on our nation's wildlife, from the birds we watch to the wildlife-related activities that support small towns and communities across this country.Įxecutive Order 13112, issued in 1999, defines an invasive species as " an alien species whose introduction does or is likely to cause economic or environmental harm or harm to human health."Invasive species include all taxa, ranging from microscopic disease-carrying organisms such as bacteria and viruses, to snakes, fish, quagga and zebra mussels, nutria and feral swine, to salt cedar, leafy spurge, Eurasian water milfoil and giant salvinia. My testimony will focus on three main areas: threats posed by exotic invasive animal species in national parks, steps being taken to monitor and control these species, and statutory and regulatory tools and recommendations to implement a more proactive approach to addressing invasive species. We appreciate the subcommittees' interest and support of efforts to address the issue of invasive species. REGARDING THE PREVENTION OF INVASIVE ANIMAL SPECIESĬhairman Grijalva, Chairwoman Bordallo, and members of the subcommittees, thank you for this opportunity to testify on behalf of the Department of the Interior on the impacts of non-native animal species on our nation's resources.I am joined here today by Craig Martin, Chief, Branch of Aquatic Invasive Species, U.S. SUBCOMMITTEE ON NATIONAL PARKS, FORESTS, AND PUBLIC LANDSĪND SUBCOMMITTEE ON INSULAR AFFAIRS, OCEANS, AND WILDLIFE There are about 40 species of Boa’s while there are about 31 species of Pythons.NATURAL RESOURCE STEWARDSHIP AND SCIENCE,īEFORE THE HOUSE NATURAL RESOURCES COMMITTEE,.But pythons do no necessarily have red tails. Boas often have red marking near their tail and that is why they are also known as Red-tailed snakes.Boas are known as New World snakes as they are found in America, and Pythons are known as Old World Snakes as they are found in Asian countries.Boa snakes are ovoviviparous animals meaning they live birth to live animals whereas Python snakes are oviparous, meaning they lay eggs that hatch into snakes.The scientific name of Boa snakes is Boa constrictor and the scientific name of Python snake is Pythonidae.The female mammals lay eggs and coils around the eggs to keep the eggs warm. Pythons majorly feed on warm-blooded animals especially mammals. They kill their prey by crushing their ribs, restricting them from breathing. They can prey on their meal easily with this Pythons are found in rain-forests, savannas, and desert regions and found in swampy places, hollows, hanging in the branches of trees and under rocks. Pythons have curved teeth, four in the upper and lower jaws respectively. Pythons have the ability to sense heat very well as they have pits present in the tip of the tongue and helps them to detect any temperature differences around them. Pythons have an excellent sense of smell. Pythons are very good at camouflaging with nature. ![]() ![]() Pythons have some extra bones in their mouth, but like Boa’s they also lack fangs and have a slit tongue. They have a pace of about a mile per hour. Pythons are called Old World Snakes as they are found in Asia. ![]()
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