vertebrates

297

Sanderling
These tiny birds scurry up and down beaches all over the world. What about their feet lets them run so fast?

303

This skull has a very strong, sentimental value to me. It is on display at the Memphis Pink Palace Museum. What kind of skull is it?

305

This little bird was enjoying our feeder today. In spite of their small size, these birds often dive and peck on raccoons, rabbits, squirrels, and even people. Why?

308

This photo is from one of our trips to Yellowstone, a marvelous place with incredible wildlife. What is the difference between antlers and horns?

309

While animals with antlers shed them, and regrow them every year, animals with horns retain them for their entire life. There is one exception to this, an animal that sheds the horn sheath every year. What animal is it?

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