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Grey Mouse Lemur
Contributed by: Newman
  • 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) Indonesia
B) Brazil
C) Australia
D) Madagascar
  • 3. Which of the following best describes the Grey Mouse Lemur's activity pattern?
A) Crepuscular
B) Diurnal
C) Nocturnal
D) Matutinal
  • 4. Grey Mouse Lemurs belong to which family of primates?
A) Lepilemuridae
B) Indriidae
C) Lemuridae
D) Cheirogaleidae
  • 5. Grey Mouse Lemurs are known for their:
A) Long tail
B) Sharp claws
C) Large eyes
D) Thick fur
  • 6. Which type of locomotion do Grey Mouse Lemurs primarily use on the ground?
A) Bipedalism
B) Climbing
C) Quadrupedalism
D) Jumping
  • 7. Grey Mouse Lemurs have a keen sense of:
A) Smell
B) Taste
C) Hearing
D) Sight
  • 8. During the dry season, Grey Mouse Lemurs can enter a state of:
A) Aggression
B) Playfulness
C) Torpor
D) Meditation
  • 9. How do Grey Mouse Lemurs communicate with each other?
A) Telepathy
B) Vocalizations and scent marking
C) Visual signals and dances
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) 58 to 67 grams (2.0 to 2.4 oz)
B) 100 to 150 grams
C) 75 to 90 grams
D) 30 to 40 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) Titilivaha
B) Koitsiky
C) Pondiky
D) Tsidy
  • 14. What is the meaning of the species name 'murinus'?
A) 'Small monkey'
B) 'Mouse-like'
C) 'Gray fur'
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 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) Moderate, with three young born per gestation
B) High, with typically two young born per gestation
C) Non-existent in the wild
D) Low, with one young born per gestation
  • 17. What is the reproductive lifespan of the gray mouse lemur?
A) Two years
B) Five years
C) One year
D) Ten 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) Extended food shortages
B) Migration to new habitats
C) Loss of nocturnal behavior
D) Increased predation
  • 20. What is the gestation period of the gray mouse lemur?
A) 30 days
B) Approximately 60 days
C) 90 days
D) 120 days
  • 21. To which suborder do gray mouse lemurs belong?
A) Tarsiiformes
B) Strepsirrhini
C) Prosimii
D) Haplorhini
  • 22. Which infraorder includes the gray mouse lemur?
A) Lorisiformes
B) Cebidae
C) Platyrrhini
D) Lemuriformes
  • 23. What sensory cue do gray mouse lemurs primarily use for prey detection?
A) Vision
B) Smell
C) Touch
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 becomes shorter and thinner.
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) Dark brown
B) Bright yellow
C) Black
D) Pale white
  • 26. Where is the gray mouse lemur believed to range from in the south?
A) Ankarafantsika National Park
B) Mandena Conservation Zone
C) Onilahy River or Lake Tsimanampetsotsa
D) Tôlanaro
  • 27. In which year was the gray mouse lemur moved to the genus Microcebus?
A) 1834
B) 1777
C) 1931
D) 1972
  • 28. What is a potential role of the gray mouse lemur in its ecosystem?
A) Scavenger
B) Pollinator for local plant species
C) Predator of large mammals
D) Herbivore
  • 29. What is the closest relative to the gray mouse lemur according to phylogenetic analyses?
A) Reddish-gray mouse lemur (M. griseorufus)
B) Ring-tailed lemur
C) Brown mouse lemur (M. rufus)
D) Coquerel's sifaka
  • 30. Which species was distinguished as a distinct, sympatric species in 1972?
A) Gray mouse lemur
B) Brown mouse lemur (M. rufus)
C) Reddish-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) Madagascar cat
B) Malagasy civet
C) Aye-aye
D) Ring-tailed mongoose
  • 33. What is the primary method of defense for gray mouse lemurs against predators?
A) Avoidance strategies
B) Building fortified nests
C) Physical confrontation
D) Camouflage
  • 34. What type of forest does the gray mouse lemur inhabit?
A) Temperate rainforest
B) Tundra
C) Desert
D) Lowland tropical dry forest
  • 35. Which gender tends to share nests with other females and their offspring?
A) Both males and females equally
B) Females
C) Neither, they sleep alone
D) Males
  • 36. What do gray mouse lemurs use their tails for when leaping?
A) Balancing organ
B) Grasping branches
C) Swatting insects
D) Signaling to other lemurs
  • 37. Who coined the binomial name Lemur murinus for the gray mouse lemur?
A) Étienne Geoffroy Saint-Hilaire
B) Louis Leakey
C) Charles Darwin
D) John Frederick Miller
  • 38. What seasonal dietary preference do gray mouse lemurs show?
A) No change in diet throughout the year.
B) Reduced food intake during the wet season.
C) Increased carbohydrate intake during hibernation.
D) Greater protein intake during their more active season.
  • 39. What is a characteristic of gray mouse lemurs' diet compared to other species?
A) Primarily carnivorous
B) Limited to fruits only
C) Specializes in one type of insect
D) Very broad feeding niche
  • 40. What is a significant factor in female mate selection for gray mouse lemurs?
A) Ensuring larger body size of offspring
B) Increasing genetic diversity among 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) 75%
D) 97%
  • 42. In which type of forest is the gray mouse lemur more common?
A) Primary forest
B) Secondary forest
C) Tropical rainforest
D) Temperate deciduous forest
  • 43. What unusual behavior has been observed in male gray mouse lemurs?
A) Building nests on the ground
B) Migrating long distances
C) Living solitary lives
D) Cannibalizing an adult female
  • 44. How many cryptic species are now recognized within the genus Microcebus?
A) 10
B) At least 17
C) 25
D) 5
  • 45. Which insects are the primary insect prey of gray mouse lemurs at Marosalaza and Mandena?
A) Grasshoppers
B) Beetles
C) Termites
D) Ants
  • 46. What is the genome size of the gray mouse lemur?
A) 5.6 picograms
B) 3.12 picograms
C) 4.2 picograms
D) 1.8 picograms
  • 47. How many chromosomes does the gray mouse lemur have?
A) 66 chromosomes
B) 78 chromosomes
C) 52 chromosomes
D) 44 chromosomes
  • 48. What type of vision enhancement does the gray mouse lemur have?
A) Color vision
B) Infrared vision
C) A tapetum lucidum
D) Binocular vision
  • 49. In what year was the gray mouse lemur listed in Appendix 1 by CITES?
A) 2008
B) 1975
C) 1989
D) 1968
  • 50. How do gray mouse lemurs move when on the ground?
A) Hop like a frog
B) Crawl on all fours
C) Slide on their bellies
D) Walk upright
  • 51. Which part of the gray mouse lemur's body has a dorsal stripe, though not always distinct?
A) The legs
B) The tail
C) The belly
D) The back
  • 52. How do gray mouse lemurs typically avoid predators during the day?
A) Sheltering inside tree holes
B) Hiding under rocks
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 a long arm only.
B) All have equal arms.
C) All are acrocentric.
D) All are metacentric.
  • 54. What is a common nesting material for gray mouse lemurs?
A) Grass
B) Dead leaves
C) Mud
D) Feathers
  • 55. During which months do gray mouse lemurs select tree holes closer to ground level?
A) June through October.
B) November through February.
C) April through September.
D) May through August.
  • 56. What is the predation rate of gray mouse lemurs in Beza Mahafaly Reserve?
A) Around 25%
B) 50%
C) 10%
D) 5%
  • 57. What is the color of the furred portions of the hands and feet of the gray mouse lemur?
A) Black
B) Off-white
C) Bright red
D) Dark brown
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