Realm of the red ape a new approach to orang utan husbandry
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Realm of the Red Ape A New Approach to Orang-utan Husbandry Jason Boyer, Chester Zoo, UK Introduction Orang-utans have been kept at Chester zoo for over 40 years Successfully bred 22 individuals Chester Orang-utans of both species play a major role in the European breeding programme

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Realm of the red ape a new approach to orang utan husbandry l.jpg
Realm of the Red ApeA New Approach to Orang-utan Husbandry

Jason Boyer, Chester Zoo, UK


Introduction l.jpg
Introduction

  • Orang-utans have been kept at Chester zoo for over 40 years

  • Successfully bred 22 individuals

  • Chester Orang-utans of both species play a major role in the European breeding programme

  • Curatorial staff at Chester Zoo sit on the Orang-utan species committee

  • Currently keep 6 Sumatran and 4 Bornean



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Old house

  • Inside area

  • Keeper area

  • Keeper passage and beds 4.5m x 32m 144m²

  • Store areas 3(3m x 5m) 45m²

    _____________________________________________________________________________

  • Total 189m²

  • Animal enclosures

  • Yard 1 9m x 13m 117m ²

  • Yard 213m x 13m169m ²

  • Yard 3 9m x 13m 117m ²

    ___________________________________________________________________________

  • Total 403m²

  • Outside

  • Island 1 12m x 23m 276m²

  • Island 2 16.5m x 24m 396m²

    ___________________________________________________________________________

  • Total 1254m²

  • Overall 2758m²


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Old HouseIndoor Show Areas Cons

  • Limited useable space

  • Lack of stimulus

  • Deep moats

  • No keeper viewing or access

  • Day time access only

  • No viewing between areas for the orang-utans


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Old HouseOutdoor Show areas Cons

  • Deep moats

  • Not escape proof

  • Visitor feeding

  • Low level viewing only


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Old HouseOff Show Areas

  • Small

  • Where most time was spent

  • Not stimulating


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Old House Pros

  • Areas of high level viewing

  • Good floor space

  • Circuit for mixing new orang-utans


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Good features of old house

High level viewing

Circuit for mixing orang-utans

Floor space

Holding area

Bad features

Moats inside/out

No 3-D space

Not stimulating

Day time access only

No keeper viewing

Not orang-utan proof!

No viewing between yards for orang-utans

Husbandry restrictions

Planning the new house:


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New Realm Of The Red Ape(R.O.R.A.)

  • Immersion experience for visitors

  • - High level viewing

  • - Planted passageways

  • - Support species exhibits

  • Description of enclosures

    • 3 indoor enclosures at 10m high

    • 2 outdoor netted to maximum 16m high

    • Outdoor open poles from 18m to 10m





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Dimensions of R.O.R.A.

  • Inside area

  • Ground floor

  • Keeper area

  • 2 Keeper passage @ 5m x 30m 300m²

  • Access to external yards @ 3m x 30m + 3m x 30m 150m²

  • Kitchen/toilets @ 5m x 20m 100m²

  • Store room/work area @ 5m x 10m 50m²

  • ___________________________________________________________________________________________

  • Total

  • 600m²

  • Animal enclosures

  • 3 internal enclosures @10m x15m 450m²

  • 3 internal ‘trap’ areas @10m² 30m²

  • ___________________________________________________________________________________________

  • Total

  • 480m²

  • Outside

  • Outdoor 1 1439m²

  • Outdoor 2 and 3 @ 17m x 12m 204m²

  • Outdoor 4 1454m²

  • ___________________________________________________________________________________________

  • Total 3301 m²

  • Overall 4381m²



Realm of the red ape r o r a l.jpg
Realm Of The Red Ape(R.O.R.A.)

Important features

of

Realm

Of the Red Ape:


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3-D Useable Space

  • - Mesh roof (indoors and outside) and some walls

  • - 5km of webbing for climbing

  • - Artificial trees and poles


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General Improved Welfare

  • Increased fitness

  • Enrichment opportunities

  • 24 hr freedom of movement throughout enclosure


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Husbandry Flexibility/Management

  • Improved keeper access/ viewing

  • ‘Circuit’ open design for movement of animals


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Natural, stimulating environment

  • More natural planting

  • Constant access to outdoor areas

  • Opportunities to display social or solitary behaviour


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Escape Proof

  • No moats

  • High, smooth walls – concrete rendering and metal sheeting

  • Allows 24 hr access


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Mixed Exhibit

Housed with 3.1 family (non-breeding) of Lar Gibbons


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Catch-up Facilities

  • Removable and interchangeable tunnel sections, incorporating hydraulic squeeze cage

  • Electronic lifting equipment



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Acknowledgements

- [email protected]

- www.chesterzoo.org

- Animal Division

- Primate Team

- Estates Department


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