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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) Australia
B) Madagascar
C) Indonesia
D) Brazil
  • 3. Which of the following best describes the Grey Mouse Lemur's activity pattern?
A) Nocturnal
B) Crepuscular
C) Matutinal
D) Diurnal
  • 4. Grey Mouse Lemurs belong to which family of primates?
A) Indriidae
B) Cheirogaleidae
C) Lemuridae
D) Lepilemuridae
  • 5. Grey Mouse Lemurs are known for their:
A) Large eyes
B) Thick fur
C) Sharp claws
D) Long tail
  • 6. Which type of locomotion do Grey Mouse Lemurs primarily use on the ground?
A) Quadrupedalism
B) Climbing
C) Jumping
D) Bipedalism
  • 7. Grey Mouse Lemurs have a keen sense of:
A) Sight
B) Hearing
C) Smell
D) Taste
  • 8. During the dry season, Grey Mouse Lemurs can enter a state of:
A) Meditation
B) Aggression
C) Playfulness
D) Torpor
  • 9. How do Grey Mouse Lemurs communicate with each other?
A) Use of sign language
B) Telepathy
C) Visual signals and dances
D) Vocalizations and scent marking
  • 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) 30 to 40 grams
C) 75 to 90 grams
D) 100 to 150 grams
  • 12. What type of primate is the gray mouse lemur?
A) Strepsirrhine primate
B) New World monkey
C) Prosimian primate
D) Haplorhine primate
  • 13. What is the gray mouse lemur's local name in Tôlanaro (Fort Dauphin)?
A) Tsidy
B) Titilivaha
C) Koitsiky
D) Pondiky
  • 14. What is the meaning of the species name 'murinus'?
A) 'Mouse-like'
B) 'Gray fur'
C) 'Nocturnal creature'
D) 'Small monkey'
  • 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) Moderate, with three young born per gestation
B) Low, with one 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) Five years
B) Ten years
C) One year
D) Two years
  • 18. How long can captive gray mouse lemurs live?
A) Up to 5 years
B) Up to 10 years
C) Up to 15 years
D) Up to 20 years
  • 19. What is a significant threat to the gray mouse lemur due to climate change?
A) Migration to new habitats
B) Extended food shortages
C) Increased predation
D) Loss of nocturnal behavior
  • 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) Tarsiiformes
B) Prosimii
C) Strepsirrhini
D) Haplorhini
  • 22. Which infraorder includes the gray mouse lemur?
A) Lorisiformes
B) Cebidae
C) Lemuriformes
D) Platyrrhini
  • 23. What sensory cue do gray mouse lemurs primarily use for prey detection?
A) Smell
B) Vision
C) Hearing
D) Touch
  • 24. How does the tail of the gray mouse lemur change during the wet season?
A) It can increase fourfold in volume when storing fat.
B) It becomes shorter and thinner.
C) It changes color to blend with its surroundings.
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) Bright yellow
B) Pale white
C) Black
D) Dark brown
  • 26. Where is the gray mouse lemur believed to range from in the south?
A) Tôlanaro
B) Ankarafantsika National Park
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) 1972
B) 1834
C) 1931
D) 1777
  • 28. What is a potential role of the gray mouse lemur in its ecosystem?
A) Pollinator for local plant species
B) Scavenger
C) Herbivore
D) Predator of large mammals
  • 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) Gray mouse lemur
B) Reddish-gray mouse lemur
C) Brown mouse lemur (M. rufus)
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) Less than 10%
C) None
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) Aye-aye
D) Malagasy civet
  • 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) Lowland tropical dry forest
B) Desert
C) Temperate rainforest
D) Tundra
  • 35. Which gender tends to share nests with other females and their offspring?
A) Females
B) Males
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) John Frederick Miller
C) Louis Leakey
D) Étienne Geoffroy Saint-Hilaire
  • 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) Very broad feeding niche
D) Specializes in one type of insect
  • 40. What is a significant factor in female mate selection for gray mouse lemurs?
A) Selecting only dominant males
B) Ensuring larger body size of offspring
C) Increasing genetic diversity among offspring
D) Reducing the number of mates
  • 41. What percentage of gray mouse lemurs housed in 1989 were captive born?
A) 97%
B) 50%
C) 75%
D) 25%
  • 42. In which type of forest is the gray mouse lemur more common?
A) Secondary forest
B) Primary forest
C) Temperate deciduous forest
D) Tropical rainforest
  • 43. What unusual behavior has been observed in male gray mouse lemurs?
A) Building nests on the ground
B) Cannibalizing an adult female
C) Migrating long distances
D) Living solitary lives
  • 44. How many cryptic species are now recognized within the genus Microcebus?
A) At least 17
B) 25
C) 5
D) 10
  • 45. Which insects are the primary insect prey of gray mouse lemurs at Marosalaza and Mandena?
A) Beetles
B) Grasshoppers
C) Ants
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) 52 chromosomes
C) 44 chromosomes
D) 66 chromosomes
  • 48. What type of vision enhancement does the gray mouse lemur have?
A) Color vision
B) A tapetum lucidum
C) Binocular vision
D) Infrared vision
  • 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) Slide on their bellies
B) Hop like a frog
C) Crawl on all fours
D) Walk upright
  • 51. Which part of the gray mouse lemur's body has a dorsal stripe, though not always distinct?
A) The back
B) The tail
C) The belly
D) The legs
  • 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 are acrocentric.
B) All have a long arm only.
C) All are metacentric.
D) All have equal arms.
  • 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) 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) 10%
B) Around 25%
C) 5%
D) 50%
  • 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) Off-white
D) Dark brown
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