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.
The English rock band Led Zeppelin was established in 1968 in London, England. Band members were Jimmy Page (guitarist), Robert Plant (singer), John Paul Jones (keyboardist and bassist) and John Bonham (drummer). The hard guitar-driven sound of the band on the early albums had its roots in blues rock.