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PB Lecture 4
Lorisiformes
Question | Answer |
---|---|
what are the traits that loris share with lemurs | wet nose unfused mandibular symphysis and frontal bone reduced upper incisors tooth comb sloping ankle region Single grooming claw and 2nd digit of hindfoot |
3 types of Lorisidae | Galaginae (Africa) Perodicticinae (Africa) Lorisinae (Asia) |
Galaginae | multiple species defined by mate-recognition and bio-behavioral criteria; occupy near-desert, subtropical savanna, woodlands, riverine, montane forests, tropical rain forests |
Perondicticinae | gracile ones in rain forests of central Africa and robust forms, more widely distributed |
Lorisinae | gracile or “slender” lorises in Southern India and Sri Lanka, and “slow” lorises, the more robust forms in SE Asia |
Lorisiformes Diet | Gum eaters-galagos Frugivory-pottos Faunivory-lorises |
Lorisiformes activity, locomotor, home range | nocturnal 1. galagos leap and hop because they have elongated tarsals 2. pottos and lorises slow climb, quadrupedal walking, cantilevering 6km depending on body size |
Lorisiformes communication | 1. olfactory and gustatory 2. vocalization 3. bronchial secretion gland 4. urine marking, sexual receptivity |
Lorisiformes social behaviors | solitary? 50% live in close proximity sleep together |
Lorisiformes reproduction | -female philopatry, male disperse -park infant, carry in mouth or cling -singleton/twin -long gestation, lactation |