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