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Grey Mouse Lemur - Quiz
Contributed by: Newman
  • 1. What is the scientific name of the Grey Mouse Lemur?
A) Cheirogaleus medius
B) Microcebus murinus
C) Varecia variegata
D) Lemur catta
  • 2. Where is the Grey Mouse Lemur primarily found?
A) Madagascar
B) Indonesia
C) Brazil
D) Australia
  • 3. Which of the following best describes the Grey Mouse Lemur's activity pattern?
A) Diurnal
B) Crepuscular
C) Matutinal
D) Nocturnal
  • 4. Grey Mouse Lemurs belong to which family of primates?
A) Lepilemuridae
B) Lemuridae
C) Indriidae
D) Cheirogaleidae
  • 5. Grey Mouse Lemurs are known for their:
A) Sharp claws
B) Long tail
C) Large eyes
D) Thick fur
  • 6. Which type of locomotion do Grey Mouse Lemurs primarily use on the ground?
A) Quadrupedalism
B) Jumping
C) Bipedalism
D) Climbing
  • 7. Grey Mouse Lemurs have a keen sense of:
A) Hearing
B) Smell
C) Sight
D) Taste
  • 8. During the dry season, Grey Mouse Lemurs can enter a state of:
A) Meditation
B) Playfulness
C) Aggression
D) Torpor
  • 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) 30 to 40 grams
B) 75 to 90 grams
C) 58 to 67 grams (2.0 to 2.4 oz)
D) 100 to 150 grams
  • 12. What type of primate is the gray mouse lemur?
A) Strepsirrhine primate
B) Haplorhine primate
C) New World monkey
D) Prosimian primate
  • 13. What is the gray mouse lemur's local name in Tôlanaro (Fort Dauphin)?
A) Pondiky
B) Titilivaha
C) Tsidy
D) Koitsiky
  • 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) One out of four individuals taken by a predator each year
B) No predation occurs
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) High, with typically two young born per gestation
B) Non-existent in the wild
C) Low, with one young born per gestation
D) Moderate, with three young born per gestation
  • 17. What is the reproductive lifespan of the gray mouse lemur?
A) Five years
B) Ten years
C) One year
D) Two years
  • 18. How long can captive gray mouse lemurs live?
A) Up to 20 years
B) Up to 15 years
C) Up to 5 years
D) Up to 10 years
  • 19. What is a significant threat to the gray mouse lemur due to climate change?
A) Loss of nocturnal behavior
B) Migration to new habitats
C) Extended food shortages
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) Strepsirrhini
C) Tarsiiformes
D) Haplorhini
  • 22. Which infraorder includes the gray mouse lemur?
A) Platyrrhini
B) Cebidae
C) Lorisiformes
D) Lemuriformes
  • 23. What sensory cue do gray mouse lemurs primarily use for prey detection?
A) Touch
B) Smell
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 becomes shorter and thinner.
C) It can increase fourfold in volume when storing fat.
D) It loses all its fur.
  • 25. What is the color of the patch above the nose and between the eyes on the gray mouse lemur?
A) Pale white
B) Black
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) 1777
B) 1931
C) 1834
D) 1972
  • 28. What is a potential role of the gray mouse lemur in its ecosystem?
A) Pollinator for local plant species
B) Scavenger
C) Predator of large mammals
D) Herbivore
  • 29. What is the closest relative to the gray mouse lemur according to phylogenetic analyses?
A) Ring-tailed lemur
B) Reddish-gray mouse lemur (M. griseorufus)
C) Brown mouse lemur (M. rufus)
D) Coquerel's sifaka
  • 30. Which species was distinguished as a distinct, sympatric species in 1972?
A) Brown mouse lemur (M. rufus)
B) Coquerel's sifaka
C) Gray mouse lemur
D) Reddish-gray mouse lemur
  • 31. What percentage of its diet do insects compose for gray mouse lemurs during the end of the dry season?
A) None
B) Less than 10%
C) Only during the wet season
D) A larger percentage
  • 32. Which mammalian predator enlarges tree hole openings to catch gray mouse lemurs?
A) Madagascar cat
B) Ring-tailed mongoose
C) Malagasy civet
D) Aye-aye
  • 33. What is the primary method of defense for gray mouse lemurs against predators?
A) Avoidance strategies
B) Building fortified nests
C) Camouflage
D) Physical confrontation
  • 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) Males
B) Both males and females equally
C) Neither, they sleep alone
D) Females
  • 36. What do gray mouse lemurs use their tails for when leaping?
A) Balancing organ
B) Signaling to other lemurs
C) Grasping branches
D) Swatting insects
  • 37. Who coined the binomial name Lemur murinus for the gray mouse lemur?
A) John Frederick Miller
B) Charles Darwin
C) Étienne Geoffroy Saint-Hilaire
D) Louis Leakey
  • 38. What seasonal dietary preference do gray mouse lemurs show?
A) Increased carbohydrate intake during hibernation.
B) Greater protein intake during their more active season.
C) Reduced food intake during the wet season.
D) No change in diet throughout the year.
  • 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) Increasing genetic diversity among offspring
B) Ensuring larger body size of offspring
C) Reducing the number of mates
D) Selecting only dominant males
  • 41. What percentage of gray mouse lemurs housed in 1989 were captive born?
A) 25%
B) 50%
C) 97%
D) 75%
  • 42. In which type of forest is the gray mouse lemur more common?
A) Primary forest
B) Tropical rainforest
C) Temperate deciduous forest
D) Secondary forest
  • 43. What unusual behavior has been observed in male gray mouse lemurs?
A) Cannibalizing an adult female
B) Migrating long distances
C) Living solitary lives
D) Building nests on the ground
  • 44. How many cryptic species are now recognized within the genus Microcebus?
A) 10
B) 5
C) 25
D) At least 17
  • 45. Which insects are the primary insect prey of gray mouse lemurs at Marosalaza and Mandena?
A) Beetles
B) Ants
C) Grasshoppers
D) Termites
  • 46. What is the genome size of the gray mouse lemur?
A) 5.6 picograms
B) 3.12 picograms
C) 1.8 picograms
D) 4.2 picograms
  • 47. How many chromosomes does the gray mouse lemur have?
A) 78 chromosomes
B) 66 chromosomes
C) 44 chromosomes
D) 52 chromosomes
  • 48. What type of vision enhancement does the gray mouse lemur have?
A) A tapetum lucidum
B) Binocular vision
C) Color vision
D) Infrared vision
  • 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) Crawl on all fours
C) Walk upright
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 belly
B) The legs
C) The back
D) The tail
  • 52. How do gray mouse lemurs typically avoid predators during the day?
A) Burrowing underground
B) Climbing to the highest branches
C) Hiding under rocks
D) Sheltering inside tree holes
  • 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 have equal arms.
C) All are metacentric.
D) All are acrocentric.
  • 54. What is a common nesting material for gray mouse lemurs?
A) Grass
B) Mud
C) Dead leaves
D) Feathers
  • 55. During which months do gray mouse lemurs select tree holes closer to ground level?
A) May through August.
B) April through September.
C) June through October.
D) November through February.
  • 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) Off-white
B) Black
C) Dark brown
D) Bright red
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