From: Cross-species discrimination of vocal expression of emotional valence by Equidae and Suidae
Abbreviation | Family | Description | |
---|---|---|---|
Latency of reaction | 1st behavior | Both | Latency between the beginning of the first sound broadcasted and the animal’s first behavioral reaction |
1st vocalization | Both | Latency between the beginning of the first sound broadcasted and the animal’s first vocalization | |
1st movement | Both | Latency between the beginning of the first sound broadcasted and the animal’s first movement | |
Reaction toward the loudspeaker | Approaching the loudspeaker | Both | Proportion of time spent approaching the loudspeaker |
Looking at the loudspeaker | Both | Proportion of time spent looking at the loudspeaker | |
Avoiding the loudspeaker | Both | Proportion of time spent walking away from the loudspeaker | |
Movements | Standing | Both | Proportion of time spent standing |
Walking | Both | Proportion of time spent walking | |
Trotting | Equidae | Proportion of time spent trotting | |
Cantering | Equidae | Proportion of time spent cantering | |
Running | Suidae | Proportion of time spent running | |
Head | Head movements | Both | Number of head movement per minute |
Head high | Both | Proportion of time spent with the line of the eyes above the tip of the shoulder | |
Head on the middle | Both | Proportion of time spent with the line of the eyes at the same level as the shoulder tip | |
Head low | Both | Proportion of time spent with the line of the eyes below the tip of the shoulder | |
Ear | Ear movements | Both | Number of ear movements per minute |
Ear on the sides | Both | Proportion of time spent with the ears on both sides of the head (perpendicular to the head axis) | |
Ear backwards | Both | Proportion of time spent with the ears orientated backwards | |
Ear forwards | Both | Proportion of time spent with the ears orientated forwards | |
Tail | Tail movements | Both | Number of tail movements per minute |
Tail high | Both | Proportion of time spent with the tail base above the tip of the hindquarters | |
Tail low | Both | Proportion of time spent with the tail base below the tip of the hindquarters | |
Vocalizations | Nicker | Equidae | Number of nickers per minute |
Whinny | Equidae | Number of whinnies per minute | |
Squeal | Both | Number of squeals per minute | |
Grunt | Suidae | Number of grunts per minute | |
Scream | Suidae | Number of screams per minute | |
Other behaviors | Defecation | Both | Number of defecations per minute |
Foraging | Both | Proportion of time spent foraging on the floor | |
Eating | Both | Proportion of time spent eating | |
Negative interaction | Both | Interactions that triggered an avoidance behavior from the other animal | |
Positive interaction | Both | Interactions that triggered an approach behavior toward the other animal |