Leaping var addthis_config = {"data_track_addressbar":true};

Leaping is a Tyranid Biomorph.

In 4th Edition Leaping represents creatures which take large bounding steps towards enemy lines and can easily get into combat quickly. Hormagaunts, Tyranid Warriors and Rippers are the only creatures able to take Leaping.^1-p33

Sources

• ¹:Codex: Tyranids (4th Edition) (identical entry in Warhammer 40,000: Wargear p51)