Jurong Bird Park can be seen here — the hyacinth, Lear's and Spix's. Houses five species of penguins within . Featuring a tall Portuguese galleon façade and designed to resemble a ship, the interior of Penguin Coast is constructed with timber beams and wooden flooring. Penguin Coast is home to the Humboldt, rockhopper, macaroni and king penguins, which live in an indoor, climate-controlled den with access to an outdoor enclosure showcasing African penguins, African darters and Hartlaub's gull. Asia's first nocturnal bird house featured a system of reverse lighting, converting day to night and vice versa. On display were 60 birds from 17
Bird-of-paradise lek-type mating system. Others, such as the "Cicinnurus" and "Parotia" species, have highly ritualised mating dances. Males are polygamous in the sexually dimorphic species, but monogamous in at least some of the monomorphic species. Hybridisation is frequent in these birds, suggesting the polygamous species of bird of paradise are very closely related despite being in different genera. Many hybrids have been described as new species, and doubt remains regarding whether some forms, such as Rothschild's lobe-billed bird of paradise, are valid. Birds-of-paradise build their nests from soft materials, such as leaves, ferns, and vine tendrils, typically placed in a tree