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Southern Alligator Lizard (Elgaria multicarinata) Fact Sheet: Reproduction & Development

Southern Alligator Lizard (Elgaria multicarinata)

Reproduction

  • Not well studied
  • Mating in early spring; hatching through summer/early fall
  • Females lay up to 20 eggs
  • Hatch after about 50-55 days

Life Stages

Egg

  • Reports of females sharing egg-laying sites (Lemm 2006)
  • Significant differences exist for number of clutches between populations of Elgaria in different areas
  • Normally 5 to 20 eggs laid between May or June and July
    • About 3 clutches per season
  • Eggs are placed in rock crevices, burrows of rodents (Lemm 2006)

Hatchlings

  •  Hatch after 11 weeks
  • Snout Vent Length 34 mm (1.3 in)
  • Weigh .55 grams (.02 oz)

Young

  • Juveniles marked differently than adults: a broad stripe on the back of tan, reddish, yellow, gray, or beige; side bars may be less distinct

Adults

  •  Sexual maturity reached at about 18 mos, 31 grams in weight

Longevity

  • 10 to 15 years (Lemm, pers. communication)

Mortality

Predators

  • Snakes, loggerhead shrikes, red-tailed hawks, domestic cats (Morey 2008)

Parasites

Tick on a Southern Alligator Lizard

Ticks are a common parasite found on southern alligator lizards.

Image credit: © Jerry Kirkhart via Flickr. Some rights reserved.

Page Citations

Burrage (1965)
Goldberg (1972)
Lemm (2006)

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