Pacific tree frog
Pseudacris regilla (Baird & Girard, 1852)
LCLeast Concernfrogs and toads
The Pacific tree frog (Pseudacris regilla) is a species in the family Hylidae, order Anura. Recorded adults weigh about 5.6 g. Its IUCN Red List status is Least Concern.

Quick facts about the Pacific tree frog
- Weight
- 5.6 gsrc for Weight
- Length
- up to 5 cmsrc for Length
- Lifespan
- Not recorded
- Diet
- Invertivoresrc for Diet
- Main food
- arthropodssrc for Main food
- Habitat
- Not recorded
- Young per litter or clutch
- 265 – 807src for Young per litter or clutch
- Reproduction
- Eggssrc for Reproduction
- Active
- At night (nocturnal)src for Active
- Conservation status
- Least Concern (IUCN)src for Conservation status
- Countries on record
- Not recorded
What eats the Pacific tree frog?
Species recorded in published studies and collections.
Recorded predators of the Pacific tree frog
4 on record
- Garden snake Thamnophis sirtalis17 sources
- Aquatic garter snake Thamnophis atratus3 sources
- American kestrel Falco sparverius3 sources
- Great blue heron Ardea herodias2 sources
Each pair is recorded by at least two independent datasets. A record shows the animal was seen or found to have eaten the other, including scavenged carcasses and young animals; it does not say how often. Compiled by Global Biotic Interactions (CC0 1.0).
References for these records
- https://www.inaturalist.org/observations/137188517
- https://www.inaturalist.org/observations/126036
- THAMNOPHIS SIRTALIS PICKERINGII (Puget Sound Garter Snake). FORAGING and ARBOREALITY. 1996. Herpetological Review 27(2): 84-84
- https://www.inaturalist.org/observations/2794362
- Preston, D.L., Orlofske, S.A., McLaughlin, J.P., and Johnson, P.T.J. (2012). Food web including infectious agents for a California freshwater pond. Ecology. 93(7), pp. 1760.
- https://www.inaturalist.org/observations/341792703
- https://www.inaturalist.org/observations/68026395
- Cook, W. E. Amphibians and Reptiles: Predators and Prey. Amphibians and Birds. Smithsonian Herpetological Information Service: 1-15.
- https://www.inaturalist.org/observations/38041475
- https://www.inaturalist.org/observations/144584376
Photos of the Pacific tree frog
Only freely licensed photos are shown. Each carries its creator and licence.

Where does the Pacific tree frog live?
Not recorded
Where has it been introduced?
The Global Register of Introduced and Invasive Species lists the Pacific tree frog as introduced in 1 country.
Also listed for parts of: United States (Alaska).
Introduced means brought by people and now present; invasive means the country's checklist records an impact. A species can be native to one part of a country and introduced in another. Source: Global Register of Introduced and Invasive Species (CC BY 4.0).
What is the Pacific tree frog?
The Pacific tree frog (Pseudacris regilla), also known as the Pacific chorus frog, has a range spanning the Pacific Northwest, from Northern California, Oregon, and Washington to British Columbia in Canada and extreme southern Alaska. They live from sea level to more than 10,000 feet in many types of habitats, reproducing in aquatic settings. They occur in shades of greens or browns and can change colors over periods of hours and weeks.
From the Wikipedia article “Pacific tree frog” (en.wikipedia.org/w/index.php?title=Pacific_tree_frog&oldid=1375644752), by Wikipedia contributors, licensed under CC BY-SA 4.0 (creativecommons.org/licenses/by-sa/4.0). This block is kept separate from our own text.
Is the Pacific tree frog endangered?
The Pacific tree frog is listed as Least Concern on the IUCN Red List: it is not currently at risk of extinction.
- LCLeast Concern
- NTNear Threatened
- VUVulnerable
- ENEndangered
- CRCritically Endangered
- EWExtinct in the Wild
- EXExtinct
Category via Wikidata (CC0). Find the full assessment on the IUCN Red List. See all Least Concern species. What the categories mean.
How is the Pacific tree frog classified?
- kingdomAnimalia
- phylumChordata
- classAmphibia
- orderAnura
- familyHylidae
- genusPseudacris
- SpeciesPseudacris regilla (Baird & Girard, 1852)
Synonyms Hyla curta, Hyla regilla, Hyla regilla cascadae, Hyla regilla curta, Hyla regilla deserticola, Hyla regilla hypochondriaca, Hyla regilla laticeps, Hyla regilla pacifica, Hyla regilla palouse, Hyla regilla regilla, Hyla regilla scapularis, Hyla regilla sierra, Hyla regilla sierrae, Hyla scapularis, Hyla scapularis hypochondriaca, Hyla scapularis var. hypochondriaca, Hyliola hypochondriaca, Hyliola regilla, Hyliola sierra, Pseudacris hypochondriaca, Pseudacris hypochondriaca curta, Pseudacris hypochondriaca hypochondriaca, Pseudacris pacifica, Pseudacris sierra
Other names and names in other languages (25)
- Northern Baja California treefrogEnglish
- Northern Pacific chorus frogEnglish
- Northern Pacific chorus frogEnglish
- Northern Pacific tree frogEnglish
- Northern Pacific treefrogEnglish
- Northern Pacific treefrogEnglish
- Pacific chorus frogEnglish
- Pacific chorus frogEnglish
- Pacific treefrogEnglish
- Pacific treefrogEnglish
- Pacific treefrogEnglish
- Pacific treefrogEnglish
- Sierran tree frogEnglish
- rosnička západoamerickáCzech
- Pazifischer LaubfroschGerman
- Rana de coro de San LucasSpanish
- Rana de coro del PacíficoSpanish
- Rana-de coro del pacíficoSpanish
- Rainette du PacifiqueFrench
- タイヘイヨウコーラスガエルJapanese
- Karališkoji medvarlėLithuanian
- Pacifische boomkikkerDutch
- rzekotka królewskaPolish
- Perereca-do-PacíficoPortuguese
- Королевская квакшаRussian
Catalogue of LifeWikipediaiNaturalistWikidataWoRMSIUCN Red List
Relatives of the Pacific tree frog
Other species in the same genus Pseudacris.

Spring peeper
Pseudacris crucifer

California tree frog
Pseudacris cadaverina
Midland chorus frog
Pseudacris triseriata

Brimley's chorus frog
Pseudacris brimleyi

Boreal chorus frog
Pseudacris maculata

Southern chorus frog
Pseudacris nigrita
ComparePacific tree frog vs Spring peeperPacific tree frog vs California tree frogPacific tree frog vs Midland chorus frogPacific tree frog vs Brimley's chorus frog
Common questions
Answered only where our data holds the answer.
How big is the Pacific tree frog?
An adult Pacific tree frog weighs 5.6 g, according to values recorded on Wikidata.
Is the Pacific tree frog endangered?
The Pacific tree frog is listed as Least Concern on the IUCN Red List, meaning it is not currently at risk of extinction.
What does the Pacific tree frog eat?
Its recorded main food is arthropods.
Is the Pacific tree frog an invasive species?
The Global Register of Introduced and Invasive Species lists the Pacific tree frog as introduced in 1 country: Germany, but does not flag it as invasive in any of them.
What kind of animal is the Pacific tree frog?
The Pacific tree frog (Pseudacris regilla) belongs to the family Hylidae in the order Anura.
What eats the Pacific tree frog?
Animals recorded preying on the Pacific tree frog include garden snake, aquatic garter snake, american kestrel and great blue heron. The records are compiled by Global Biotic Interactions from published studies; each pair is reported by at least two datasets.
Sources and how to cite this page
Data as of 2026-11-14. How this page is put together.
- AmphiBIO, a global database for amphibian ecological traits · CC BY 4.0 · v1
Oliveira, B.F., São-Pedro, V.A., Santos-Barrera, G., Penone, C. & Costa, G.C. (2017) AmphiBIO, a global database for amphibian ecological traits. Scientific Data 4: 170123. https://doi.org/10.1038/sdata.2017.123. Data: https://doi.org/10.6084/m9.figshare.4644424.v5 - Catalogue of Life eXtended Release · CC BY 4.0 · 2026-10-16 XR
Catalogue of Life (2026). Catalogue of Life eXtended Release, version 2026-10-16 XR. Catalogue of Life Foundation, Amsterdam, Netherlands. https://doi.org/10.48580/dgzlf - Wikimedia Commons · per file (CC0 / public domain / CC BY green, CC BY-SA amber, anything else not displayed) · 2026-11-11
Wikimedia Commons contributors. Wikimedia Commons. https://commons.wikimedia.org (each file credited to its author under its own licence). - Global Biotic Interactions (GloBI): interpreted data products · CC0 1.0 · 0.11
Poelen, J.H., Simons, J.D. & Mungall, C.J. (2014) Global Biotic Interactions: an open infrastructure to share and analyze species-interaction datasets. Ecological Informatics 24: 148–159. https://doi.org/10.1016/j.ecoinf.2014.08.005. Data: https://doi.org/10.5281/zenodo.22691479, with each record's original reference. - Global Register of Introduced and Invasive Species (GRIIS) · CC BY 4.0 · 2026-11-13
Pagad, S., Genovesi, P., Carnevali, L., Schigel, D. & McGeoch, M.A. (2018) Introducing the Global Register of Introduced and Invasive Species. Scientific Data 5: 170202. https://doi.org/10.1038/sdata.2017.202. Country checklists published through GBIF by the IUCN SSC Invasive Species Specialist Group. - Wikidata · CC0 1.0 · 2026-11-11
Wikidata contributors. Wikidata. https://www.wikidata.org (data retrieved via the Wikidata Query Service). - Wikipedia (English) · CC BY-SA 4.0 · 2026-11-11
Wikipedia contributors. Wikipedia, The Free Encyclopedia. https://en.wikipedia.org (text under CC BY-SA 4.0; each block names its article and revision).
Embed a card for this animal on your own site
Copy this code. The card shows the photo with its credit, key facts and a link back to this page.
CreatureData. (2026). Pacific tree frog (Pseudacris regilla). Retrieved from https://creaturedata.com/animals/pacific-tree-frog
“Pacific tree frog (Pseudacris regilla).” CreatureData, 2026, https://creaturedata.com/animals/pacific-tree-frog.
@misc{pacific_tree_frog_2026,
title = {Pacific tree frog (Pseudacris regilla)},
author = {{CreatureData}},
year = {2026},
url = {https://creaturedata.com/animals/pacific-tree-frog},
note = {Data as of 2026-11-14}
}