Table 1.
Ethogram of Choloepus didactylus observed in this study*
| Behavioural categories | Behaviours | Description |
|---|---|---|
| Inactivity | Resting | Still, with crouched body, does not seem to be vigilant |
| Sitting | Still, with head up, does not seem to be vigilant | |
| Stationary | Body hung and motionless | |
| Locomotion | Moving | Changing location, from one place to another |
| Maintenance | Moving without locomotion | Extension of a limb for no apparent reason, then returning to a rest position |
| Scratching | Body rub using claws | |
| Licking | Self-grooming using the tongue | |
| Drinking | Ingestion of water | |
| Yawning | The upper and lower jaws are moved in opposite directions, opening the mouth | |
| Foraging | Eating | Ingestion of food |
| Food-handling | Food manipulation | |
| Inspecting | Visual investigation of the enclosure | |
| Sexual behaviour | Copulating | The male is positioned dorsally in relation to the female |
| Affiliative interaction | Affiliative interaction | One arm is extended not aggressively towards conspecific |
| Agonistic interaction | Agonistic interaction | One arm is extended aggressively toward another sloth, followed by a scratch or bite |
| Non visible | Non visible | The animal is not visible to the observer, inside one of the sleeping boxes |