a white and grey sea bird that lives in northern parts of the world

Kittiwakes typically breed high on sea cliffs, where they glue their nests of seaweed and mud to the narrowest ledges. 三趾鸥通常在高高的海崖上繁殖，把用海藻和泥浆做成的巢穴粘到最狭窄的岩壁上。