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PIT BOS
Western lowland gorilla
A Pittsburgh
FINAL JAN 30
TOL DET
Polar bear
A- Toledo
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Nile hippopotamus
A Denver
FINAL JUN 25
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Western lowland gorilla
A Animal Kingdom
IN PROG JUL 20
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Beluga whale
A Receiving clubs
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African lion
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Western lowland gorilla
A- Saint Louis
FINAL NOV 6
PHX MIA
African lion
A- Phoenix
DELAYED JAN 15
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INC Both
FINAL MAY 31
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Przewalski's horse
A Prague
Breaking The Gorilla Trade: Pittsburgh lands a 33-year-old silverback. Boston rebuilds with two prospects.
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Western lowland gorilla · No. 9 of 22

Fort Worth Moves Its Homegrown Star Before He Challenges Dad

Gus was the first gorilla ever born there. That is exactly why he had to go.

Western lowland gorilla
Photo: Garst, Warren, 1922-2016, photographer / CC BY-SA 4.0 · Illustrative image of the species, not the individual animal.

The Deal

Gus — M, 10, born Fort Worth Dec 5 2015 Fort Worth Zoo → Saint Louis Zoo
Bukavu — M, 8 Fort Worth Zoo → Saint Louis Zoo
Why it happenedAZA population management mirroring wild behavior, where juvenile males leave the natal group. Gus and his father Elmo had begun testing each other.

The Grades

A-

Saint Louis

Replaced a departed silverback with two developmental males in one move. Fast rebuild of a position group.

B+

Fort Worth

Correct and unavoidable. Only one silverback leads a troop, and Elmo is still in the building.

The Breakdown

Gus was the first gorilla ever born at the Fort Worth Zoo. His father, Elmo, comforted him as an infant. Ten years later the two of them had started wrestling in a way staff read as testing rather than play, and everyone in the building understood what that meant. Only one silverback leads a troop.

So the front office moved the homegrown star before the locker room fractured. Gus and Bukavu, 8, went together to Saint Louis to join a bachelor troop with Zachary and Kayin, both 10.

The people who do this work do not pretend it is easy. A primate supervisor with 35 years in the business called it heartbreaking, and added the line that explains the entire profession: when you come into this business, if you do not know it before you start, you will learn it rather quickly. A photographer who had documented Gus since he was five days old had to say goodbye too.

Saint Louis, meanwhile, had lost Bakari to Disney two weeks earlier. This is what a coordinated league looks like when it works: one team's succession problem is another team's restock, and the animals end up where the biology says they should be.

Watch

Context: Gus and Bukavu at Fort Worth, filmed before the transfer to Saint Louis. Video: WFAA, via YouTube.

Sources

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