Mammals besides humans show paw preferences {handedness, mammal} but equally to left or right.
Mammal superior colliculus can integrate multiple senses {multisensory} at same spatial location, while other structures maintain distinct sensations for each sense [O'Regan and Noë, 2001].
Arginine vasopressin aids pair bonding {pair bonding, arginine vasopressin}.
Vocalization echoes give information. Dolphins and bats expanded this ability. Dolphins and bats use sonar {sonar, animal} to locate and categorize objects. They can project known signals into environment, receive reflected signals, and interpret altered signals. Signaling evolved from vocalization. Receiving evolved from auditory-brain sound processing, which locates and categorizes sounds.
Animals that are smart enough to suffer include horse, dog, apes, elephants, and dolphins, because they can do something about conditions that make them suffer {suffering, animal}.
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Date Modified: 2022.0225