Trabancos (river) Castile and León (with more than 200 mating pairs). It is also the winter season nesting ground of more than 1,500 red kites ("Milvus milvus"). There are also numerous birds of prey; the most abundant are Montagu's harriers ("Circus pygargus", 50 mating pairs) and lesser kestrels ("Falco naumanni"; almost 150 mating pairs), but there are also hawks, goshawks, falcons, owls, and others. The region is also host to numerous gamebirds, including the red-legged partridge ("Alectoris rufa"). Despite their importance, the population of little bustard ("Tetrax tetrax") in the region appear to be diminishing. Although not all the species protected in
Ben 10: Secret of the Omnitrix exclusively at Walmart stores. However, neither of the alternate versions were on the disc, merely the original with Heatblast, but the fourth season DVD contains all four versions, plus the pop up trivia version. The film comprises the three episodes of the fourth season, and is a finale to the series canonically. During a battle with Dr. Animo, Ben Tennyson's destruction of the scientist's "DNA bomb" accidentally sets off a self-destruct protocol in the Omnitrix. Its activation alerts Tetrax Shard, a bounty hunter and ally, who travels with his alien slime -like pilot Gluto to Earth in order to retrieve