According to the Department of Education 180 is the minimum number of instructional days California requires of its public schools. The 180 days doesn`t include in-service days for teachers.
Loon, Arctic also Black-throated Loon also Black-Throated Diver Gavia arctica Found: North America (Alaska), Europe, Asia. The Arctic Loon has white underparts. Breeding has black back with white bars; black face; black sides of throat with white stripes; dark green throat.
Despite calls that make it sound maniacal, the word loon actually comes from a Shetland Islands word loom, which comes from the Icelandic word lomr and the Swedish word lom, which both refer to someone who is lame or clumsy.Loons were called this because of how awkward and clumsy they appear on land.. Why are loons silent in the winter in the south? A. Although loons have been heard giving yodels and tremolos on the wintering grounds, it is not common. It probably is because the hormone levels in loons are not high enough (i.e., they don't feel a need to defend a territory) to bring about calling.