20201214 松雀 必应壁纸

松雀 松雀 今天是第120届圣诞鸟类计数的第一天，据说这是世界上规模最大、持续时间最长的公民科学项目。在接下来的23天里，从1月5日开始，美国、加拿大、拉丁美洲、加勒比海和太平洋岛屿的数千名志愿者将加入奥杜邦协会，共同致力于鸟类的研究和保护。他们一起在各自区域的森林、田野和湖泊中搜寻（或者只是观察它们的鸟食者），对它们各自的鸟类和物种进行普查找到。小鸟加拿大西部、阿拉斯加和美国西北部的观测者无疑会发现一些松果喙，就像我们今天的图片中所展示的那样。它是真雀科中最大的一员，在北方的森林里筑巢，以浆果和水果为食。你可以从它短暂的音乐颤音中辨认出来。虽然罗汉松主要生活在北纬，但它是一种入侵物种，这意味着它会在冬季迁徙到更远的南方寻找食物。它非常温顺，不怕人，所以很容易被忽视，因为当观鸟者走过时，它经常会静静地坐着。如果你为今年的圣诞鸟数做贡献，即使你不留意这个美丽。

原文:

Today's the first day of the 120th annual Christmas Bird Count, said to be the largest and longest-running citizen science project in the world. For the next 23 days, through January 5, thousands of volunteers around the US, Canada, Latin America, the Caribbean, and Pacific Islands will join members of the Audubon Society for this important endeavor in the study and protection of birds. Together, they'll  scour the woods, fields, and lakes of their respective regions (or just watch their bird feeders), to take a census of the individual birds and species they find.Bird watchers in Western Canada, Alaska, and the Northwest United States will undoubtably find a few pine grosbeaks like the one featured in our image today. The largest member of the true finch family, it makes its nest in the northern boreal forests and feeds on berries and fruits. You might identify it from its short musical warble. While the pine grosbeak mostly stays in the northern latitudes, it's an irruptive species, meaning it migrates some winters farther south to find food. It's quite tame and unafraid of people, so it can be easy to overlook because it'll often sit still as a bird watcher walks by. If you're contributing to this year's Christmas Bird Count—and even if you're not—keep an eye out for this beauty.

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