Most birds have hollow bones so they can fly more easily. But, did you know common loons have solid bones, which help them dive underwater to depths up to 150 feet so they can look for food? And their call, known as the wail, can be easily heard over long distances, sounding similar to a wolf's howl. Another fun fact: the common loon is featured on this year's I BIRD NY Challenge commemorative patch! Each year, DEC offers the challenge to encourage more New Yorkers to observe, experience, and ap

250K views · 8.4K reactions | My 2 favorite sounds in nature. Loon calls and elk bugles. | Harry Collins Photography | Facebook