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