20201010 俯瞰正在飞越洛斯罗克斯群岛国家公园的美洲红鹳 必应壁纸
美洲红鹳 俯瞰正在飞越洛斯罗克斯群岛国家公园的美洲红鹳 今天是拉丁美洲和南美洲的世界候鸟日，为了纪念这一天，我们选择了这些在委内瑞拉海岸外加勒比海上空的美洲红鹳。白天时间和食物供应的变化会引发包括美洲红鹳在内的许多鸟类的季节性迁徙。像这样的美国美洲红鹳迁徙距离相对较短，通常是为了确保稳定的食物供应。它们主要分布在加勒比海地区，分布范围从北到南佛罗里达州世界候鸟日的非营利赞助机构“美洲环境”将其工作重点放在保护数百种鸟类的栖息地上，这些鸟类在美洲从阿拉斯加和加拿大到阿根廷和智利沿南北路线迁徙以及介于两者之间的地方。这些候鸟中的大多数都使用已建立的称为飞行路线的飞行路线在它们的繁殖地和越冬地区之间旅行。这些空中公路往往避开山脉和海洋等障碍物，与地形障碍物平行，沿着海岸或主要河谷的路线行驶。在北美迁徙的鸟类沿着大西洋、密西西比、中环和太平洋四条主要航线迁徙。由于鸟类在沿途的中途停留点需要足够的食物和庇护所，通过这些走廊保护栖息地对鸟类的生存尤为重要。今年，随着野火肆虐美国西部，太平洋航线尤其危险，而10月10日是墨西哥、中美洲和南美洲的世界候鸟日，美国和加拿大的鸟类爱好者在5月的第二天庆祝这一保护活动。但无论你住在哪里，每天都是拿起望远镜，在自己的窗外观察鸟类的好日子。
英语原文:
Today is World Migratory Bird Day in Latin and South America, so to honor the occasion we've chosen these flamingos, rising above the Caribbean Sea off the coast of Venezuela. Changes in daylight hours and food availability can trigger seasonal migrations in many bird species, including flamingos. American flamingos like these will migrate relatively short distances, usually to ensure a steady food supply. Found mainly throughout the Caribbean, their range extends as far north as southern Florida.The nonprofit sponsor of World Migratory Bird Day, Environment for the Americas, focuses its efforts on conserving habitats for the hundreds of bird species that migrate along north-south routes in the Americas, from Alaska and Canada to Argentina and Chile and places in between. Most of these migratory birds use established flight paths called flyways to travel between their breeding grounds and overwintering areas. These aerial highways tend to avoid obstacles such as mountain ranges and oceans, running parallel to topographical barriers and following routes along coasts or major river valleys. Birds migrating through North America follow four main flyways, the Atlantic, Mississippi, Central, and Pacific. Because the birds need adequate food and shelter at stopover points along the way, conservation of habitats through these corridors is especially important to the birds' survival. This year, with wildfires raging across the American West, the Pacific flyway has been especially perilWhile October 10 is World Migratory Bird Day in Mexico, Central, and South America, bird lovers in the US and Canada observe this conservation event on the second day in May. But wherever you live, every day is a good day to pick up some binoculars and watch the birdlife outside your own window.
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