Species: Gorilla

Use: General 

Authors: S. Woods, Denver Zoo.

Methods: Focal Animal

Publications/Presentations: N/A

Behaviors

Aggressive interaction - with another gorilla

Display threat

Physical attack

Chase

Displacement

Other - urinate, ambiguous, etc.

Drink

Sexual activity - mating attempts, solicit

Playful social interaction

No observation

Not visible

Bad observation (cannot see behavior)

Stereotypic or undesirable behaviors

Regurgitation/reingestion

Coprophagy

Masturbation

Self-grooming

Manipulate

Manipulate, investigate, play: With objects or exhibit features (takes precedence over public orientation)

Manipulation of enrichment items

Travel

Quadrupedal walking

Quadrupedal running

Climbing

Eat while traveling

Public orientation

Intently watching humans

Display: e.g., chest beating, charging, hitting glass, baring teeth.

Gesturing: e.g., clap, treat sigh

Vocalizing: (can see chest vibrate)

Idle

Sit or squat

Stand

Recline

Intently watching another animal

Feed

Foraging: Searching in or under hay, eating hay, seeds, nuts.

Foraging while intently watching public

Grass

Eating from enrichment objects

Eating anything else

Browse

Object contact

Structural features: Walls, doorways, back fence, front glass, platforms.

Furnishings: Trees, shelves, net, ropes, log, rocks, poles.

Enrichment objects

Other portable objects

Outside: Includes doorway to outside yard.

Up: On shelves, trees, net.