A Guide to the Amphibians
and Reptiles of California
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Eggs and Tadpoles of Baja California Treefrog -
Pseudacris hypochondriaca hypochondriaca
(Hallowell, 1854) (= Pacific Chorus Frog, = Pacific Treefrog. See Alternate Names)
| Eggs | |||
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| Eggs, Kern County | Eggs, Kern County | Eggs, Kern County | Eggs and tadpole, Kern County |
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| Eggs, Kern County | Eggs, Kern County | Eggs, Kern County | Eggs, Riverside County © Jeff Ahrens |
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| Eggs, San Diego County © Jeff Ahrens | Eggs in a vernal pool in Santa Barbara County © Max Roberts | ||
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| Egg masses of two frog species laid next to each other in the same pool: Top - Baja California Treefrog eggs Bottom - Western Spadefoot eggs Riverside County © Nathan Kudla |
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| Tadpoles | |||
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| Mature tadpole with rear legs | Tadpole, Riverside County © Jeff Ahrens | Tadpoles, Riverside County © Jeff Ahrens | |
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| Tadpole, Kern County | A group of tadpoles at the shallow edge of a slow creek, Kern County | Tadpole just about to transform, Los Angeles County. © Jonathan Smith | |
| Comparisons With Tadpoles of Sympatric Species | |||
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| CA Red-legged Frog tadpole (Top) Treefrog tadpole (Pseudacris) (Bottom) |
CA Red-legged Frog tadpole (Right) Treefrog tadpole (Pseudacris) (Left) |
Foothill Yellow-legged Frog tadpole (Top) Treefrog Tadpole (Pseudacris) (Bottom) |
Comparison of Treefrog Tadpole (Pseudacris regilla group) (Top) with Toad Tadpole (Anaxyrus boreas) (Bottom) |
| The eyes of Treefrog tadpoles (Pseudacris) extend to the margins of the head when seen from above, while the eyes of tapoles of the sympatric California Red-legged Frog are inset from the margins of the head, as you can see in the above photos from Alameda County. © Joseph E. DiDonato. |
Seen from above, the eyes of the Foothill Yellow-legged Frog are located away from the side of the head and the eyes of a treefrog tadpole, Pseudacris regilla, are located at the edge of the head. | ||
| The following pictures show an egg mass and some of the tadpoles that hatched from it over a period of about a month | |||
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| Eggs, day 1 | Eggs five days later showing developing tadpoles, day 6 | ||
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| Tadpoles 3 days later on day of hatching, day 9 | Tadpoles 9 days later, day 18 | ||
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| Tadpoles, 3 days later, day 21 | Tadpole, 1 day later, day 22 | ||
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| Tadpoles, 6 days later, day 28 |
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| Breeding Habitat | |||
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| Breeding and egg deposition site, Tehachapi Mountains, Kern County |
Habitat, 340 ft. Kern County | Breeding and oviposition habitat, San Diego County © Jeff Ahrens |
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| Tadpole Predators | |||
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| This juvenile Two-striped Gartersnake is eating a Baja California Treefrog tadpole in Los Angeles County. © NPS |
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| Short Videos | |||
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| Baja California Treefrog eggs at the edge of a creek in March. | Baja California Treefrog tadpoles in an aquarium a month after hatching. | Baja California Treefrog tadpoles in a pool at the edge of a creek in June. | |
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