Strepsirrhini: Lorisiformes

Question 1

Family: Lorisidae traits

Answer 1

Africa-Pottos, Asian-Loris; many species, slow & stealthy foraging, small branch/insect feeding niche

Question 2

Family Lorisidae - African Pottos

Answer 2

African Rainforest along equator, vestigal (sm remnant) index finger- derived trait for grabbing, heavy neck muscles- derived trait for anti-predation

Question 3

Family Lorisidae - Asian Loris

Answer 3

SE Asia; slender loris have no tails; hands/feet derived for hunting insects/small animals, quadrupedally climb/walk on branches slowly/stealthily to quietly stalk/grab prey 2 handed; toxic saliva, brachial gland, sharp incisors = poisonous bite -. lick/coat babies in toxic saliva so predators avoid, thick neck muscles derived traits for anti-predation

Question 4

Family: Galagidae traits

Bushbabies

Answer 4

Genus Galago; Genus Otolemur; Only in Subsaharan Africa; nocturnal, fast/agile mvmnt/foraging, complex call-baby cries/scent marking -“urine washing” (olfaction) communication/sociality system, vertical clinging/leaping locomotion derived trait in foot bones talus/calcanus; diet depends on size, sm: insects/gum, lrgr: fruit/small animals; diverse-5 genera/at least 13 species- many sizes & habitats

Question 5

Family Galagidae: Galago

Answer 5

ex: Rando Dwarf Galago; Southern Lesser Galago; fast moving locomotion to catch fast prey; dont live in big soc. groups may sleep in small groups during day

Question 6

Family Galagidae: Otolemur

Answer 6

ex: Thick-Tailed Otolemur; physically bigger than Galago