Do you like pygmy marmosets? They are so cute that many people love them very much. But do you know how they make sounds and communication? Here are some questions about it, test yourself.
1. How many types of voice communication do you have?
A. Up to ten
B. At least 10
C.3
D.9
The answer is B. They have at least 10 different types of vocal communication, which includes a trill to communicate with other family members even over a long distance, a clicking and high-pitched warning whistle for threats and communication danger, etc. . They also have a sound with body posture, facial expressions, and hair erection. They will also chase and display their rumps with their tails up and their fur fluffed up to defend their territory.
2. The common visual displays of competing pygmy marmosets are used in situations of:
a surprise
B. Emotion
C. Threat
D. Amazement
The answer is C. To convey dominance status and alpha male stature for breeding purposes, competing pygmy marmosets are used in threat situations. They will also harass animals and predators, these siege behaviors show brisk movements, strutting and swaying of the body and involve elaborate postures. Animals like squirrels, monkeys, birds, snakes, and even human observers will raid! Genital display is another common technical communication used by them. A pygmy marmoset of either sex turns its back to the observer, raises its tail in a stiff arc, arches its back, and ruffles its body and tail hairs. This is used in territorial defense, in sexual solicitation, and in dominance interactions. They also have vocal and chemical types of communication. Trills, J calls, and long calls are three different types of calls they use.
3. What is used when feeding pygmy marmosets:
A. trills
B.Buzz
C. Bark
d.bleat
The answer is A. When searching for insects, feeding, or traveling in packs, they use chirps. A series of rapid notes repeated by the caller make up J calls, which are for medium distances. J-calls and Trills serve to maintain short-range contact throughout the day and are frequently heard in the Amazon jungle and to help inform and interact among group members. The long call occurs when pygmy marmosets disperse over distances greater than 10 meters and is a response to calls from other groups.
4. What do pygmy marmosets use in chemical communication?
a.grass
B.Hands
C mouth
Pain
The answer is D. By rubbing the scent glands on their chests, around their anus, and on their genitals, they use scent in chemical communication. Leaving a mark for others to smell, they often rub the scent glands on a surface. When used by female pygmy marmosets to inform males of their reproductive status, they will use another chemical communication.