Baby Beaver . Baby beavers are called kits, or kittens. They are usually born in litters of two to five animals. They remain in the lodge for the first month of life, and then stay with their parents in a family group for two years.
Led Zeppelin IV was a commercial and critical success, producing many of the band's most well-known songs, including  Black Dog ,  Rock and Roll ,  Misty Mountain Hop ,  Going to California , and the band's signature song,  Stairway to Heaven .he untitled fourth studio album by the English rock band Led Zeppelin, commonly referred to as Led Zeppelin IV, was released on 8 November 1971 on Atlantic Records.
Piano Woodwinds Percussion Brass Began to use instruments with valves- gave a wider range and versatility. Most commonly used brass instruments were trumpets, horns, trombones and tubas. String No new instruments were used in the Romantic Period, all the same from the Classical and Baroque. but string instruments seemed to play a bigger role in balancing out the larger brass and woodwind sections in the orchestra.