Facts and references Flashcards
What is the Latin name for the common chimpanzee?
Pan troglodytes
In what region are chimpanzees found?
Outline their range.
West, Central and East Africa
From Gambia in the west to Uganda in the east, EXCLUDING central Congo where bonobos are found instead
The chimpanzee is highly adaptable. What habitats does it occupy? List 5
Savannah, rainforest, montane forest, swamp forest, dry woodland
What is the chimpanzees diet?
It is an omnivorous frugivore (they will basically eat anything)
Chimpanzees will eat meat. What is its preferred mammal prey?
Western red colobus monkeys
Procolobus badius
What kind of mating system do chimpanzees have?
Polygynandrous
Which is the philopatric sex in chimpanzees?
Males
How do chimpanzees move?
By knuckle-walking
What is the dental formula for platyrrhines? They have 3 premolars, but can have different numbers of premolars.
- 1.3.2
2. 1.3.3
For each quadrant what is the order of teeth in the mouth?
Incisors, canines, premolars, molars
What is the dental formula for catarrhines? We have 2 premolars and 3 molars.
2.1.2.3
What is the genus name for spider monkeys?
Ateles
In what region are spider monkeys found?
Central and South America
What habitat do spider monkeys live in?
Rainforest
What is the diet of spider monkeys?
Frugivorous
What mating system do spider monkeys have?
Polygynandrous
Which sex is philopatric in spider monkeys?
Males
Which three groups of primates are the only species to adopt fission-fusion communities?
Spider monkeys, chimpanzees/bonobos and humans
How do spider monkeys move?
By suspensory locomotion with their prehensile tail
What is the genus name for capuchins?
Cebus
In what region are capuchins found?
Central and South America
What habitat do capuchins occupy?
A range of forest types although they prefer rainforests
What mating system do capuchins have?
Polygynandrous as females often have multiple mates, although polygynous systems have been observed
How do capuchins move?
By quadrapedal locomotion
How many species of macaque are there?
22
What is the Latin name of the Barbary macaque?
Macaca sylvanus
In what region does the Barbary macaque live?
In the Atlas Mountains of Algeria and Morocco and a small population in Gibraltar
What habitat does the Barbary macaque live in? Give 4 examples.
Primarily forests (like cedar), but also grasslands, scrub, rocky ridges
What is the Barbary macaque’s diet?
Omnivorous folivore
Their diet varies with season
What is the mating system of Barbary macaques?
Polygynandrous
What is the locomotory style of Barbary macaques?
Quadrapedalism
How many species of baboon are there? What are they?
5
Olive/Anubis Yellow/Savannah Chacma/Cape Hamadryas Guinea
What is the Latin name for the hamadryas baboon?
Papio hamadryas
Where are hamadryas baboons found?
List the African countries.
List the Middle Eastern countries.
The Horn of Africa and the Arabian Peninsula
Djibouti, Eritrea, Ethiopia and Somalia
Yemen and Saudi Arabia
What kind of habitats do hamadryas baboons live in? Give 3 examples
Semi-desert, savannah/plains/meadows and rocky cliffs
What is the diet of hamadryas baboons?
Omnivorous
What is the mating system of hamadryas baboons?
Polygynous
Which sex is philopatric in hamadryas baboons?
Males, unlike in other baboons where it is the females
Which sex is philopatric in Barbary macaques?
Females
What is the Latin name for the gelada?
Theropithecus gelada
There are only two countries in the world where you will find geladas. What are they?
Ethiopia and Eritrea
Which national park are geladas found in in Ethiopia?
The Semien Mountains National Park
What habitat do geladas occupy?
The sleep on rocky cliffs and descend into grasslands to feed during the day
What is the mating system of geladas?
Polygynous
As well as anogenital swellings, what other sign is there that a female has come into estrus?
All geladas have a hairless patch on their chests; a ring of red beading develops here (it goes red basically)
In geladas, a male and his harem is called an OMU or one-male-unit. When many OMUs come together what does this form?
A band
As well as OMUs, what other kind of group exists in gelada society?
AMUs or all-male-bands (bachelor bands)
What diet do geladas have?
They are exclusively folivorous, mostly feed on grass
Does the gelada’s diet change based on seasonal availability?
Yes
Geladas are highly specialised feeders. How? Why?
The opposability of their first two digits is the highest of all catarrhines. They also have short/robust phalanges.
Allows them to pick grass blades individually to sort good blades from bad in the dry season. Allows them to dig for tubers.
There are two species of mandrill, genus Mandrillus. What are they?
Mandrills and drills
What is the latin name for the mandrill?
Mandrillus sphinx
In what region of Africa are mandrills found?
Which countries? There are 4.
Central Africa
Parts of (not throughout) Cameroon, Gabon, Guinea, Congo
What habitats are mandrills found in?
Tropical rainforests
Why is it strange that mandrills are found in tropical rainforests?
They are adapted to live on the ground but shelter in the trees at night.
How do mandrills move? Can they climb trees?
Quadrupedal locomotion
Yes
How are mandrills and drills distinguishable?
Mandrills have brightly coloured faces whilst drills’ faces are all black.
What is the mating system of mandrills?
Polygynous
Which sex is philopatric in mandrills?
Females
Is allomothering observed in mandrills?
Yes
Which sex is philopatric in geladas?
Females
What beneficial traits are close social bonds associated with? Give 3.
Lower stress, better health, increased lifespan
Do geladas allomother?
Yes
Who studied geladas?
Dunbar from the 1970s onwards
What kind of diet do mandrills have?
Omnivorous
will eat leaves/fruit/flowers/small vertebrates
What are the two major threats to mandrills?
- Habitat destruction
2. Hunting for bushmeat
Why are mandrills easily located by hunters?
Due to their loud calls
What is the Latin name for the Hanuman langur monkey?
Semnopithecus entellus
What other common name is there for the Hanuman langur?
Gray langur
In what region is the Hanuman langur found in?
Which countries is it found in? There are 7.
Southern Asia
Pakistan, India, Nepal, Bhutan, Tibet, Bangladesh and Sri Lanka
What kind of habitats are langurs found in?
A wide range;
Arid scrubland to tropical rainforest to urban areas
Name a city in India where langurs live in close proximity with humans?
Jodhpur, India
What is the mating system of langurs?
Polgynous or polygynandrous
In which part of India are langurs a) polygynous and b) polgynandrous? Why?
a) Southern India; lack of seasonality + provisioning from locals means females are desynchronised from the environment, males can monopolise
b) Northern India; seasonality means females are synchronised to the environment, males cannot monopolise
Which sex is philopatric in langurs?
Females
Do langurs display allomothering?
Yes
How do langurs move?
Quadrupedal locomotion
Do langurs spend more time on the ground or in the trees?
On the ground, 80% of their time. They use trees for sleeping.
What is the diet of hanuman langurs?
They are folivorous
although they have been found to eat fruits/flowers/gum/bark etc.
How many a) genera and b) species are there in the subfamily Callitrichinae?
a) 4
b) 32
Where are the Callitrichinae found?
In Central and South America
What habitat do the Callitrichinae occupy?
Tropical rainforests
Do the Callitrichinae have prehensile tails?
No
Callitrichids are quadrupedal. Why does their morphology suggest otherwise?
Their forelimbs are shorter than their hindlimbs.
This is characteristic of primates that locomote using vertical clinging and leaping.
Do callitrichids have opposable thumbs and big toes?
No
Do callitichids have nails like other primates?
No, they have claws
What di callitrichids use their claws for?
Grip and to dig into tree bark
What are the mating systems observed in callitrichids?
Mostly polyandry (they are a model for polyandry), but depending on species can be monogamous
Do males care for the young in callitrichids?
Yes; he carries the infants and only transfers them back to their mother long enough for them to nurse.
Basically everyone looks after the babies except the mother.
What is the diet of callitrichids?
Primarily insectivorous, although fruits/seeds/gum are frequently eaten
What is the Latin name for Geoffroy’s tamarin?
Saguinus geoffroyi
What is the geographic range of Geoffroy’s tamarin? What is unique about this?
South-western Costa Rica to North-western Colombia
It is the only callitrichid to extend as far north as Costa Rica from South America
In what habitat does Geoffroy’s tamarin live?
Densely-forested areas, it avoids open forest areas
What is the mating system of Geoffroy’s tamarin?
Polyandry
Geoffroy’s tamarin is territorial. How do we know this?
They visit the borders of their range and scent mark each day
Geoffroy’s tamarin is largely insectivorous. What are their favourite insects?
Grasshoppers and cicadas
Although Geoffroy’s tamarin is insectivorous, what does the large proportion of their does consist of?
Fruit
What does Geoffroy’s tamarin when fruits become seasonally scarce?
Nectar
There are two species of gorilla. What are they?
The Western and Eastern gorillas
What is another common name for the Western gorilla?
The lowland gorilla
In what region is the western gorilla found?
In which countries? There are 8.
West and Central Africa
Nigeria, Cameroon, Equatorial Guinea, Gabon, Angola, Central African Republic, Republic of Congo and possibly Democratic Republic of Congo
What is the Latin name of the western gorilla?
Gorilla gorilla
How many subspecies of the western gorilla are there?
What are they and where are they found?
2
Gorilla gorilla, Cameroon southwards
Gorilla gorilla diehli, found in a small part of the Nigerian/Cameroonian border
What habitat does the western gorilla occupy?
Tropical secondary forest where the open canopy provides lots of light
What visual differences are there between western and eastern gorillas? List 2.
Western gorillas are slightly more brown/grey in colour
Western gorillas are slightly smaller than eastern in body size, as well as having smaller teeth and jaws
The arm span of gorillas is longer than their standing height. True or false?
True.
Gorillas are aggressive. True or false?
False, they are generally peaceful and shy unless disturbed
What is the aggressive behaviour of male gorillas?
Charging; often the male will charge an intruder but rush past instead of colliding, and then will charge again
What is the mating system of gorillas?
Generally polygynous, although polgynandrous and AMUs are observed.
Are gorillas territorial?
Not really, ranges of neighbouring groups often overlap.
Do gorillas build nests?
Yes