Ologies with Alie Ward

Sciuridology (SQUIRRELS) with Karen Munroe

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Jul 26, 2023
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ANECDOTE

Burrow Spying With Cameras At Casa Grande

  • Dr. Monroe used ground-penetrating radar and fiber optic cameras to study underground round-tailed ground squirrel burrows.
  • Her Casa Grande fieldwork revealed burrow complexity and the challenge of observing underground mating behavior.
INSIGHT

Squirrel Mating Involves Plug And Multiple Fathers

  • Many squirrels use copulatory plugs but females often remove or consume them, allowing multiple paternity in litters.
  • Monroe describes opaque waxy plugs and reports litters sired by multiple males, with litter sizes varying by species.
ADVICE

Standard Protocol For Squirrel Fieldwork

  • When conducting squirrel fieldwork, record weight, morphology, reproductive status, ectoparasites, mark individuals, and collect DNA samples.
  • Monroe describes using pastry‑bag handling, ear tags, radios (<5 g), and DNA swabs to monitor populations.
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