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Mountain Yellow-legged Frog (Rana muscosa) Fact Sheet: Diet & Feeding

Diet

Tadpoles

  • Mainly herbivorous
  • Feed on (Natalie Calatayud, personal communication, 2016):
    • Diatoms and algae
    • Small insects and aquatic larvae of insects

Adults

  • Mainly carnivorous
  • Feed on:
    • Dragon fly nymphs and adults
    • Lady bugs
    • Bees, wasps
    • Flies
    • Ants
    • Beetles
    • True bugs
    • Tadpoles of Bufo canorus (Yosemite)

Feeding

Feeding mechanism

  • Glands of tongue produce sticky secretion
  • Prey is captured with projectile tongue and pulled to roof of mouth
  • Gland secretions and contracting muscles of the esophagus push food into the mouth

Mountain Yellow-legged Frog

Mountain Yellow-legged frog on a rock

Mountain Yellow-Legged Frog (Rana muscosa)

Tahquitz Creek in the San Jacinto Wilderness, San Bernardino National Forest, California.

Image credit: Adam Backlin, U.S. Geological Survey at Flickr. Public Domain.

Page Citations

Mullaly (1953)
Long (1970)
Moore (1929)
Zeiner et al. (1988)

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