男友太凶猛1v1高h,大地资源在线资源免费观看 ,人妻少妇精品视频二区,极度sm残忍bdsm变态

USEUROPEAFRICAASIA 中文雙語Fran?ais
China
Home / China / World

Swan scheme has critics in a flap

China Daily | Updated: 2017-09-19 07:23

ALBANY, New York - With its snow-white plumage and elegant posture, mute swans are exalted in European ballets and fairy tales as symbols of love and beauty. But to many wildlife biologists, they are aggressive and destructive invaders in US habitats and must be wiped out.

Native to Europe, the mute swan has multiplied in New York, the upper Midwest and along the Atlantic coast since it was imported in the 1800s to adorn parks and opulent estates.

Citing threats to native wildlife, plants and unwary humans, six states now have swan-removal policies that range from egg-shaking to shooting or gassing adult birds.

New York is now on the third draft of its anti-swan program. While less lethal than the original 2013 plan calling for eliminating all of the state's free-ranging mute swans by 2025, it has nonetheless drawn angry squawks from animal lovers who just want the birds to be left alone.

"We abhor the plan," said Priscilla Feral, president of Connecticut-based Friends of Animals. "We think it's attitude, not good science, that's driving their agenda."

Most of the state's estimated 1,700 mute swans are in the New York City area, with a smaller population on Lake Ontario. Like zebra mussels and Asian long-horned beetles, mute swans are classified in New York as nuisance invaders. Biologists say they deplete and damage aquatic vegetation with their voracious feeding, leaving less food and cover for other waterfowl and fish.

Unlike North America's native tundra and trumpeter swans, mute swans - named for being less vocal than other swans - aren't migratory, have orange rather than black bills and hold their necks in graceful S-curves.

But there is an ugly side. Michigan's wildlife agency calls mute swans "one of the world's most aggressive waterfowl species", attacking native swans, ducks and other birds. The agency said it gets reports every year of mute swan attacks on canoeists, kayakers and people who get too close to nests.

Associated Press

Editor's picks
Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
主站蜘蛛池模板: 琼结县| 晋中市| 饶阳县| 马尔康县| 建湖县| 汕尾市| 道孚县| 冕宁县| 冷水江市| 东兰县| 金沙县| 黔东| 鄂州市| 桂阳县| 青铜峡市| 伊宁县| 东兰县| 冀州市| 云安县| 香河县| 凤城市| 达州市| 三门峡市| 博野县| 沂南县| 建水县| 武宣县| 通江县| 二手房| 靖西县| 简阳市| 泾川县| 乌鲁木齐县| 新沂市| 宝应县| 大丰市| 铁岭县| 丹东市| 家居| 华蓥市| 平远县|