Historical Timeline
1926 - 1st Elephant arrived – Tessie, the Empress of India.
Deer and Elk arrived on the grounds of the Broadmoor Hotel from Penrose’s Turkey Creek Ranch.
1927 - Animal collection transferred from the Broadmoor to the mountainside of Cheyenne Mountain
1928 - Elephant House
1929 - 1st Lions arrived, two cubs born later in the year.
1931 - Musk Oxen arrived
1935 - Monkey House, Bear Dens; 1st Orangutan arrived
1937 - Miniature Railroad, the “Zoo Specialâ€Â
1938 - Zoological Society established
1939 - Cheyenne Mountain Museum opened; Siberian Tigers arrived; Spencer Penrose’s death
1942 - Lion and Monkey Houses; Black-footed Penguins arrived
1943 - zoo’s only elephant sold – Shirley Temple
1948 - 1st elephants arrived at the zoo since WWII; Orangutans arrived – Jiggs and Maggie
1949 - 1st gorilla arrived – Bud
1951 - Thundergod House – entrance and restaurant
1953 - Elephant and Giraffe Building; 1st Hippopotamus arrived
1954 - 1st Reticulated Giraffe arrived
1956- Bird and Reptile House; 1st Rhinoceros arrived
1960 - Hippo (now Aquatics) Building; Monkey House renovated (now Monkey Pavilion)
1961 - Rhinoceros exhibits; 1st Okapi arrived from Zaire – Amida
1963 - Okapi exhibit & barn, Male Okapi arrived from Rotterdam – Aketi
1965 - Zoo Flooded, destroying near completed Primate World and zoo office
1966 - Primate World
1968 - Admission price increased to $1
1976 - Bird of Prey area
1989 - Masterplan created
1990- New Entry Plaza, Mountain Outfitters, and Rocky Cliff; Conservation Center
1991 - Primate World renovation
1992 - WildNights event begins
1993 - Hidden Prairie; Naked Mole Rats;
1994 - Wolf Woods
1995 - Warthogs/Aardvark temporary exhibition
1996 - Asian Highlands; Butterfly Garden
1997 - Lion’s Lair
1998 - Koala temporary exhibition; Colorado Habitat Tree; Party Pavilion and Safari Cabin
1999 - White Alligator temporary exhibition
2000 - Giant Fruit Bat temporary exhibition
2001 - White Tiger temporary exhibition; My Big Backyard; Animal Health Center
2002 - Butterflies temporary exhibition
2003 - African Rift Valley; Komodo Dragon
2004 - Colobus Monkey
2005 - White Lion temporary exhibition
2006 - Wallaby Walkabout
2007 - Rocky Mountain Wild: Moose Lake Lodge; Budgies Buddies Aviary
2008 - Rocky Mountain Wild