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PB Lecture 5
Lemuriformes
Question | Answer |
---|---|
what are the 5 families of Lemuriformes | 1. Lemuridae 2. Indriidae 3. Cheirogalidae 4. Daubentoniidae 5. Lepilemuridae |
what features do Lemuriformes have | Strepsirhine including post orbitar bar |
who have the elongated middle digit | the aye ayes |
what is the post cranial morphology of lemuriformes | vertical clinging and leaping |
Nocturnal vs diurnal | Nocturnal: VCL, long hindlimbs, branch runners Diurnal: VCL, long hindlimbs, quadrupedal |
what are the unusual behaviors | -high infant mortality rate -cathemeral -female female aggresion -female dominance -lack of sexual dimorphism -strict breeding season |
why are lemurs so odd | evolutionary disequilibrium and energy conservation |
4 types of lemuridae | 1. ring-tail 2. brown 3. bamboo 4. ruffed |
3 types of indriidae | 1. sifaka 2. indri 3. woolly |
3 types of cheirogalidae | 1. dwarf 2. mouse 3. fork-marked |
Characteristics of Daubentoniidae | Solitary Rodent like teeth, large ears, elongated middle digit Insects, larvae, fruits, seeds fungus, nectar |
Characteristics of Lepilemuridae | sportive lemurs highly folivourous some are monogamous |
Adaptive radiation of Lemuriformes | -multiple descendent species from a single ancestor -Fill different niches -On Madagascar no other primates -Lemuriformes show convergence with monkeys and apes |