There are three major families of shorebirds: 1  Waders, about 220 species, include sandpipers, lapwings, snipes, plovers, stilts and various other species. These birds inhabit coasts and shorelines, as well as other open habitats. 2  Gulls, terns, skuas, jaegers and skimmers form a group of a little over 100 species.
The compass was probably invented in the Qin Dynasty (221-206BC) by Chinese fortune-tellers who used the lodestones to construct their fortune telling boards.
Interactive chart of the dates of Chinese New Year from 1912 to 2101. In the SVG graphic, hover over or click a year on the left to highlight an almost-repeating block of 19 years starting with that year. The lunisolar Chinese calendar determines the date of Chinese New Year.