Penguinariums date back at least to 1968, when the Detroit Zoo opened the first in North America and possibly the world. The penguinarium is planning to expand in 2015 with a US $21 million overhaul funded in part by a US $10 million donation - the largest in the zoo's history - from a single donor. When completed, the penguinarium is expected to be 24,000-sq-ft. As of 2005, the world's largest penguinarium was located on the Spanish island of Tenerife, where twelve tons of artificial snow were generated daily for the penguins at Loro Parque aquarium.
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- King, R.J. (June 2013). "A Really Cool Plan: Detroit Zoo unveils plan to build new $20-million penguin exhibit". Hour Magazine. Retrieved 16 September 2013.
- Domm, Robert W. (2009). Michigan Yesterday & Today. Voyageur Press. p. 102. ISBN 978-1-61673-138-0.
- "Detroit zoo floats plan for $21m 'Penguinarium' to open in 2015". The Guardian. Associated Press in Royal Oak. 18 September 2013. Retrieved 19 September 2013.
- "Bill Clinton Aims for a Birdie in the Canaries". Hello Magazine. 25 July 2005. Retrieved 19 September 2014.