The ZSL London Zoo has occupied the northeastern corner of Regent's Park since 1828. One of the most famous zoos in the world, it contains over 720 different species of animals, and the aviary is a firm favorite. B.U.G.S. (Biodiversity Underpinning Global Survival) illustrates the bio-diversity in ecosystems as well as species. Locusts, field crickets and sea horses are among the many species displayed. This fun education exhibit is aimed at all age groups. Hours of operation vary according to season.