Ring-tailed lemur vocalizations

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Adult vocalizing Ring-tailed Lemur Feb09.jpg
Adult vocalizing

The ring-tailed lemur has a complex array of distinct vocalizations used to maintain group cohesion during foraging and alert group members to the presence of a predator. The tables below detail calls documented in the wild and studied at the Duke Lemur Center. [1]

Ring-tailed lemur A large lemur from Madagascar

The ring-tailed lemur is a large strepsirrhine primate and the most recognized lemur due to its long, black and white ringed tail. It belongs to Lemuridae, one of five lemur families, and is the only member of the Lemur genus. Like all lemurs it is endemic to the island of Madagascar. Known locally in Malagasy as maky or hira, it inhabits gallery forests to spiny scrub in the southern regions of the island. It is omnivorous and the most terrestrial of extant lemurs. The animal is diurnal, being active exclusively in daylight hours.

Animal communication the transfer of information from one or a group of animals (sender or senders) to one or more other animals (receiver or receivers) that affects the current or future behaviour of the receivers

Animal communication is the transfer of information from one or a group of animals to one or more other animals that affects the current or future behavior of the receivers. Information may be sent intentionally, as in a courtship display, or unintentionally, as in the transfer of scent from predator to prey. Information may be transferred to an "audience" of several receivers. Animal communication is a rapidly growing area of study in disciplines including animal behavior, sociology, neurology and animal cognition. Many aspects of animal behavior, such as symbolic name use, emotional expression, learning and sexual behavior, are being understood in new ways.

Duke Lemur Center sanctuary for prosimian primates

The Duke Lemur Center is an 85-acre (34 ha) sanctuary for rare and endangered prosimian primates, located at Duke University in Durham, North Carolina. It is the largest sanctuary for prosimian primates in the world.

Adult Affiliative Vocalizations
CallVocalizersInferred Function
Moan
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
All except infants <14 weeks Promotes group cohesion in low-to-moderate arousal contexts
Early-High Wail
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
All except infants <6–8 weeks Promotes group cohesion; indicates moderate-to-high level arousal level of caller
Late-High Wail
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Non-infant females (typically), males (rarely) May promote group cohesion under conditions of extreme arousal
Howl
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Non-infant males Male advertisement call; together with female counter-calling, howls advertise the presence and location of the group
Hmm
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
All except infants <5 weeks Indicates that slow group relocation is imminent and promotes group cohesion, or reflects a caller's desire to maintain conspecific contact
Huh
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Infants >3 months (most frequent); male juveniles and adolescents; rarely by adults Similar to hmm, but marks a caller's location more effectively
Purr
Loudspeaker.svg   sample
Adult females (most frequent); both sexes of all age classes Appears to express contentment; also may communicate nonaggressive intent of an adult during close contact
Chirp
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Loudspeaker.svg   sample 4
All except infants <3 weeks Elicits rapid group movement and may promote group cohesion in this context
Adult Agonistic Vocalizations
CallVocalizersInferred Function
Yip
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
All non-infants, except alpha females Expresses mild fear and, perhaps, willingness to defer to a dominant
Cackle
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Loudspeaker.svg   sample 4
Loudspeaker.svg   sample 5
Adults of both sexes A defensive display that may reflect a willingness to become aggressive if pressed
Squeal
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Males, during tail waving only Male "status assertion" vocalization
Twitter
Loudspeaker.svg   sample
All except infants <6 months Communicates somewhat fearful but nevertheless assertive demeanor
Plosive Bark
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Loudspeaker.svg   sample 4
Both sexes of all ages classes High-intensity threat vocalization
Chutter
Loudspeaker.svg   sample
Dominant adults (toward subordinates of all ages) Low-to-moderate threat vocalization; may encourage subordinates to give way to dominants, thereby reaffirming dyadic dominance relationships.
Alerting & Antipredator Vocalizations
CallVocalizersInferred Function
Gulp
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
All except infants <14 weeks Generalized "group alert" vocalization
Rasp
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Loudspeaker.svg   sample 4
All except infants Aerial predator alarm call
Shriek, variant 1
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
All except infants May serve to inform a raptor that it has been seen, and/or may discourage pursuit by intimidation, as well as to broadcast widely that a low-flying raptor has been detected
Shriek, variant 2
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
All except infants Same as variant 1, except that variant 2 may express the more urgent nature of the aerial predator encounter.
Click
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
All except infants <2 weeks The click is a low-arousal "location marker" that draws attention to a caller.
Close-Mouth Click Series (CMCS)
Loudspeaker.svg   sample
All except infants <2 months Moderate-arousal "location marker"
Open-Mouth Click Series (OMCS)
Loudspeaker.svg   sample
All except infants A "location marker" reserved for a limited number of contexts of very high arousal; also appears to serve as a cue that aids in the synchronization of yaps
Yap
Loudspeaker.svg   sample
All except infantsCarnivore mobbing call
Infant Affiliative Vocalizations
CallInferred Function
Infant Contact Call
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Loudspeaker.svg   sample 4
Conspecific vocal contact; functions initially to attract the mother and later as a precursor to moans and wails
Infant Trill, variant 1
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Expresses desire for, and contentment from, conspecific contact
Infant Trill, variant 2
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
May express contentment and/or crossing the sensory threshold from contentment to discomfort
Infant Distress Vocalizations
CallInferred Function
Infant Whit, variant 1
Loudspeaker.svg   sample
Infant distress call; expresses discomfort and/or distress
Infant Whit, variant 2
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Infant high-intensity distress call
Infant Yelp
Loudspeaker.svg   sample 1
Loudspeaker.svg   sample 2
Loudspeaker.svg   sample 3
Serves both as an affiliative and distress vocalization in eliciting prompt retrieval by the mother

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Lemuridae family of mammals

Lemuridae is a family of strepsirrhine primates native to Madagascar, and the Comoros Islands. They are represented by the Lemuriformes in Madagascar with one of the highest concentration of the lemurs. One of five families commonly known as lemurs. These animals were once thought to be the evolutionary predecessors of monkeys and apes, but this is no longer considered correct.

Strepsirrhini A suborder of primates which includes lemurs, galagos, pottos and lorises

Strepsirrhini or Strepsirhini is a suborder of primates that includes the lemuriform primates, which consist of the lemurs of Madagascar, galagos ("bushbabies") and pottos from Africa, and the lorises from India and southeast Asia. Collectively they are referred to as strepsirrhines. Also belonging to the suborder are the extinct adapiform primates that thrived during the Eocene in Europe, North America, and Asia, but disappeared from most of the Northern Hemisphere as the climate cooled. Adapiforms are sometimes referred to as being "lemur-like", although the diversity of both lemurs and adapiforms does not support this comparison.

Lemur A clade of primates endemic to the island of Madagascar

Lemurs are mammalian animals of the order primates, divided into 8 families and consisting of 15 genera and around 100 existing species. They are native only to the island of Madagascar. Most existing lemurs are small, have a pointed snout, large eyes, and a long tail. They chiefly live in trees (arboreal), and are active at night (nocturnal).

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True lemur genus of mammals

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Mongoose lemur species of mammal

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Brown mouse lemur species of mammal

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Red ruffed lemur species of mammal

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Madame Berthes mouse lemur species of mammal

Madame Berthe's mouse lemur or Berthe's mouse lemur is the smallest of the mouse lemurs and the smallest primate in the world; the average body length is 9.2 cm (3.6 in) and seasonal weight is around 30 g (1.1 oz). Microcebus berthae is one of many species of Malagasy lemurs that came about through extensive speciation, caused by unknown environmental mechanisms and conditions.

Common brown lemur species of mammal

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Collared brown lemur species of mammal

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Black-and-white ruffed lemur species of mammal

The black-and-white ruffed lemur is an endangered species of ruffed lemur, one of two which are endemic to the island of Madagascar. Despite having a larger range than the red ruffed lemur, it has a much smaller population that is spread out, living in lower population densities and reproductively isolated. It also has less coverage and protection in large national parks than the red ruffed lemur. Three subspecies of black-and-white ruffed lemur have been recognized since the red ruffed lemur was elevated to species status in 2001.

Gerps mouse lemur species of mammal

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References

  1. Macedonia, Joseph M. (1993). "The vocal repertoire of the ringtailed lemur (Lemur catta)". Folia Primatologica. 61: 186–217. doi:10.1159/000156749. PMID   7959437.