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
What Bird is That? according to their usual habitat. The accompanying text included brief notes on distribution, breeding and behaviour. While initial sales were poor, history tells us that Cayley had accurately discerned a market need and successfully responded to it. During WWII sales accelerated and Cayley’s first collection, reprinted time and time again, eventually became a household name among birdwatchers and the book was recognised as an Australian classic. The original sponsorship of "What Bird is That?" proved a great investment for the Gould League, who benefited from the sale of its numerous reprints and revised editions. By 1960, it was rated the