Grey Mouse Lemur
  • 1. What is the scientific name of the Grey Mouse Lemur?
A) Cheirogaleus medius
B) Microcebus murinus
C) Lemur catta
D) Varecia variegata
  • 2. Where is the Grey Mouse Lemur primarily found?
A) Indonesia
B) Australia
C) Brazil
D) Madagascar
  • 3. Which of the following best describes the Grey Mouse Lemur's activity pattern?
A) Diurnal
B) Matutinal
C) Crepuscular
D) Nocturnal
  • 4. Grey Mouse Lemurs belong to which family of primates?
A) Cheirogaleidae
B) Indriidae
C) Lemuridae
D) Lepilemuridae
  • 5. Grey Mouse Lemurs are known for their:
A) Sharp claws
B) Large eyes
C) Thick fur
D) Long tail
  • 6. Which type of locomotion do Grey Mouse Lemurs primarily use on the ground?
A) Bipedalism
B) Quadrupedalism
C) Jumping
D) Climbing
  • 7. Grey Mouse Lemurs have a keen sense of:
A) Hearing
B) Smell
C) Taste
D) Sight
  • 8. During the dry season, Grey Mouse Lemurs can enter a state of:
A) Torpor
B) Playfulness
C) Aggression
D) Meditation
  • 9. How do Grey Mouse Lemurs communicate with each other?
A) Telepathy
B) Visual signals and dances
C) Vocalizations and scent marking
D) Use of sign language
  • 10. What is the main threat to Grey Mouse Lemurs today?
A) Poaching
B) Predation
C) Climate change
D) Habitat loss
  • 11. What is the weight range of the gray mouse lemur?
A) 75 to 90 grams
B) 30 to 40 grams
C) 100 to 150 grams
D) 58 to 67 grams (2.0 to 2.4 oz)
  • 12. What type of primate is the gray mouse lemur?
A) Strepsirrhine primate
B) New World monkey
C) Haplorhine primate
D) Prosimian primate
  • 13. What is the gray mouse lemur's local name in Tôlanaro (Fort Dauphin)?
A) Koitsiky
B) Tsidy
C) Pondiky
D) Titilivaha
  • 14. What is the meaning of the species name 'murinus'?
A) 'Small monkey'
B) 'Nocturnal creature'
C) 'Gray fur'
D) 'Mouse-like'
  • 15. What is the predation rate for gray mouse lemurs in the wild?
A) One out of four individuals taken by a predator each year
B) One out of ten individuals taken by a predator each year
C) One out of two individuals taken by a predator each year
D) No predation occurs
  • 16. What is the gray mouse lemur's reproductive rate?
A) Low, with one young born per gestation
B) High, with typically two young born per gestation
C) Moderate, with three young born per gestation
D) Non-existent in the wild
  • 17. What is the reproductive lifespan of the gray mouse lemur?
A) One year
B) Two years
C) Five years
D) Ten years
  • 18. How long can captive gray mouse lemurs live?
A) Up to 15 years
B) Up to 5 years
C) Up to 10 years
D) Up to 20 years
  • 19. What is a significant threat to the gray mouse lemur due to climate change?
A) Loss of nocturnal behavior
B) Extended food shortages
C) Increased predation
D) Migration to new habitats
  • 20. What is the gestation period of the gray mouse lemur?
A) 120 days
B) Approximately 60 days
C) 90 days
D) 30 days
  • 21. To which suborder do gray mouse lemurs belong?
A) Prosimii
B) Strepsirrhini
C) Tarsiiformes
D) Haplorhini
  • 22. Which infraorder includes the gray mouse lemur?
A) Lemuriformes
B) Platyrrhini
C) Cebidae
D) Lorisiformes
  • 23. What sensory cue do gray mouse lemurs primarily use for prey detection?
A) Smell
B) Hearing
C) Touch
D) Vision
  • 24. How does the tail of the gray mouse lemur change during the wet season?
A) It becomes shorter and thinner.
B) It changes color to blend with its surroundings.
C) It loses all its fur.
D) It can increase fourfold in volume when storing fat.
  • 25. What is the color of the patch above the nose and between the eyes on the gray mouse lemur?
A) Black
B) Pale white
C) Dark brown
D) Bright yellow
  • 26. Where is the gray mouse lemur believed to range from in the south?
A) Onilahy River or Lake Tsimanampetsotsa
B) Mandena Conservation Zone
C) Ankarafantsika National Park
D) Tôlanaro
  • 27. In which year was the gray mouse lemur moved to the genus Microcebus?
A) 1972
B) 1834
C) 1931
D) 1777
  • 28. What is a potential role of the gray mouse lemur in its ecosystem?
A) Predator of large mammals
B) Scavenger
C) Herbivore
D) Pollinator for local plant species
  • 29. What is the closest relative to the gray mouse lemur according to phylogenetic analyses?
A) Brown mouse lemur (M. rufus)
B) Reddish-gray mouse lemur (M. griseorufus)
C) Ring-tailed lemur
D) Coquerel's sifaka
  • 30. Which species was distinguished as a distinct, sympatric species in 1972?
A) Reddish-gray mouse lemur
B) Coquerel's sifaka
C) Gray mouse lemur
D) Brown mouse lemur (M. rufus)
  • 31. What percentage of its diet do insects compose for gray mouse lemurs during the end of the dry season?
A) Less than 10%
B) A larger percentage
C) None
D) Only during the wet season
  • 32. Which mammalian predator enlarges tree hole openings to catch gray mouse lemurs?
A) Madagascar cat
B) Malagasy civet
C) Ring-tailed mongoose
D) Aye-aye
  • 33. What is the primary method of defense for gray mouse lemurs against predators?
A) Building fortified nests
B) Avoidance strategies
C) Physical confrontation
D) Camouflage
  • 34. What type of forest does the gray mouse lemur inhabit?
A) Lowland tropical dry forest
B) Desert
C) Tundra
D) Temperate rainforest
  • 35. Which gender tends to share nests with other females and their offspring?
A) Females
B) Both males and females equally
C) Neither, they sleep alone
D) Males
  • 36. What do gray mouse lemurs use their tails for when leaping?
A) Grasping branches
B) Balancing organ
C) Swatting insects
D) Signaling to other lemurs
  • 37. Who coined the binomial name Lemur murinus for the gray mouse lemur?
A) Louis Leakey
B) John Frederick Miller
C) Étienne Geoffroy Saint-Hilaire
D) Charles Darwin
  • 38. What seasonal dietary preference do gray mouse lemurs show?
A) Greater protein intake during their more active season.
B) Increased carbohydrate intake during hibernation.
C) No change in diet throughout the year.
D) Reduced food intake during the wet season.
  • 39. What is a characteristic of gray mouse lemurs' diet compared to other species?
A) Very broad feeding niche
B) Primarily carnivorous
C) Specializes in one type of insect
D) Limited to fruits only
  • 40. What is a significant factor in female mate selection for gray mouse lemurs?
A) Increasing genetic diversity among offspring
B) Ensuring larger body size of offspring
C) Selecting only dominant males
D) Reducing the number of mates
  • 41. What percentage of gray mouse lemurs housed in 1989 were captive born?
A) 75%
B) 97%
C) 25%
D) 50%
  • 42. In which type of forest is the gray mouse lemur more common?
A) Tropical rainforest
B) Primary forest
C) Secondary forest
D) Temperate deciduous forest
  • 43. What unusual behavior has been observed in male gray mouse lemurs?
A) Migrating long distances
B) Building nests on the ground
C) Living solitary lives
D) Cannibalizing an adult female
  • 44. How many cryptic species are now recognized within the genus Microcebus?
A) At least 17
B) 5
C) 25
D) 10
  • 45. Which insects are the primary insect prey of gray mouse lemurs at Marosalaza and Mandena?
A) Grasshoppers
B) Ants
C) Beetles
D) Termites
  • 46. What is the genome size of the gray mouse lemur?
A) 5.6 picograms
B) 1.8 picograms
C) 3.12 picograms
D) 4.2 picograms
  • 47. How many chromosomes does the gray mouse lemur have?
A) 66 chromosomes
B) 52 chromosomes
C) 44 chromosomes
D) 78 chromosomes
  • 48. What type of vision enhancement does the gray mouse lemur have?
A) Binocular vision
B) Infrared vision
C) Color vision
D) A tapetum lucidum
  • 49. In what year was the gray mouse lemur listed in Appendix 1 by CITES?
A) 1968
B) 1989
C) 1975
D) 2008
  • 50. How do gray mouse lemurs move when on the ground?
A) Walk upright
B) Crawl on all fours
C) Slide on their bellies
D) Hop like a frog
  • 51. Which part of the gray mouse lemur's body has a dorsal stripe, though not always distinct?
A) The back
B) The legs
C) The tail
D) The belly
  • 52. How do gray mouse lemurs typically avoid predators during the day?
A) Hiding under rocks
B) Climbing to the highest branches
C) Burrowing underground
D) Sheltering inside tree holes
  • 53. What is unique about the chromosome structure of the gray mouse lemur, except for one type?
A) All are metacentric.
B) All have a long arm only.
C) All are acrocentric.
D) All have equal arms.
  • 54. What is a common nesting material for gray mouse lemurs?
A) Grass
B) Feathers
C) Dead leaves
D) Mud
  • 55. During which months do gray mouse lemurs select tree holes closer to ground level?
A) November through February.
B) April through September.
C) May through August.
D) June through October.
  • 56. What is the predation rate of gray mouse lemurs in Beza Mahafaly Reserve?
A) Around 25%
B) 5%
C) 10%
D) 50%
  • 57. What is the color of the furred portions of the hands and feet of the gray mouse lemur?
A) Off-white
B) Black
C) Bright red
D) Dark brown
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