The Giant Weta Flashcards

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1
Q

explain the giant weta’s evolution

A
  • large flightless crickets (orthoptera)
  • large size is likely due to large mammalian predators (except for bats)
  • aspects of Forster’s Rule: gigantism
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2
Q

explain the giant weta’s habitat

A
  • nocturnal and lives in a variety of habitats including grassland, shrub land, forests, and caves
  • they excavate holes stems, rotting logs, and in trees, or occupy pre-formed burrows
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3
Q

explain the giant weta’s diet

A
  • mainly herbivores, but can also eat smaller insects
  • feeds on lichens, leaves, flowers, seed-heads, and fruits
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4
Q

explain the weta’s interaction with other species

A
  • they do not cope well with other predators that have invaded
  • thus, they are always being captured and transferred to an island free of mammals
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5
Q

reasons why the giant wepa is endangered

A
  • invasive predation
  • nutritional stress
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6
Q

reasons why the giant wepa is endangered - invasive predation

A
  • invasive carnivorous species
  • different from being part of native species diets, already fragile ecosystem
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7
Q

reasons why the giant wepa is endangered - nutritional stress

A

habitat lacks resources (invasive species, human development)

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8
Q

conservation methods for the giant wepa

A

tracking methods

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9
Q

conservation methods for the giant wepa - tracking methods

A
  • for conservation and monitoring purposes, tracking tunnels are most effective in detecting the giant wepa
  • systematic searching of habitat during the day -> useful for collecting more data
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