El Cerrato hills or cerrales". Other sources say it comes from the Latin serrare, in the sense of an enclosed area, fenced or cordoned off. In the moors there are hares (leporidae), rabbits (oryctolagus cuniculus), partridges (phasianidae) and turtle doves (columbina). Along the river channels there is the presence of herons (nycticorax nycticorax), otters (lutra lutra), the Pyrenean desman (galemys pyrenaicus), while in the moors are found the Great Bustard (otis tarda), Little Bustard (tetrax tetrax) and montagu's harrier (circus pygargus), a species listed in the Catálogo Nacional de Especies Amenazadas or "National Catalogue of Endangered Species" (Royal Decree 439/1990, of 30
Ben 10: Destroy All Aliens Shortly afterwards, Tetrax Shard arrives and tells Ben that Azmuth has asked to meet with him. They go to meet Azmuth but are attacked by an evil version of Waybig. Tetrax and Ben fight the alien, who is teleported into the Omnitrix, though neither of them is aware of it. Tetrax decides to take Ben to search for Azmuth and activates a new function on the Omnitrix. Before he can explain this new ability, the ship is attacked and Ben is sucked out into the atmosphere, falling to the ground as Diamondhead. It is later revealed that the new ability