Wood Frog

Lithobates sylvaticus (Rana sylvatica)

General Status Rank: 
Secure
ELCODE: 
AAABH01200
Common Name: 
Wood Frog
Scientific Name: 
Lithobates sylvaticus (Rana sylvatica)
Synonyms: 
Rana sylvatica
Naming References: 
Taxonomy
Group: 
Amphibian
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Amphibia
Order: 
Anura
Family: 
Ranidae
References: 
General Biology
Canada Known Subspecies Count: 
0

Female Age at Maturity

2-3 years
References: 

Longevity

10-12 years
References: 
Reproduction Frequency Per Year: 
0

Economic/Human Considerations

important ecosystem functions
References: 
Habitat
breeding = ponds and marshes summer = damp woodlands or near margins of ponds winter = under debris on forest floor
References: 
Distribution

Ecozones

Taiga Plains, Taiga Shield, Boreal Plains, Hudson Plains
References: 

Distribution

=64/158 (0.41); presence above treeline uncertain -presumed to be slight if any (MF)
Score: 
G
References: 

Number of Occurrences

44
Score: 
CE
References: 

Area of Occupancy

Unknown
Score: 
-
References: 
Population

Population Size

Unknown; Large >10000 (MF)
Score: 
FH
References: 
Threats

Threats

drought, fluctuating winters temperatures, freezing rain, low snowcover; disease - possible "red-leg" disease observed in NWT but not confirmed (MF)
Score: 
C
References: 

Intrinsic Vulnerability

Wetland drainage and loss
Score: 
-
References: 
General Status Rank
Rank: 
Secure
S Rank: 
S5?
Decision Process Description: 
Reviewed in 2004, no new information (H108_05); Reviewed in 2010 By D Schock; no change.; Reviewed in 2015, no change; Reviewed in 2020, no change
Last Updated: 
June 20, 2020

References

Age Of Maturity

  • Fournier M.A. (1999) Amphibians & Reptiles in the Northwest Territories. Ecology North Public pamphlet Database references file - P007 Return

Area of Occupancy

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return
  • Weller WF and Green DM (1997) Checklist and current status of Canadian amphibians. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 309-328 M Fournier - B107 Return
  • Fournier M.A. (1999) Personal Communication. - H108 Return

Economic Status

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return

Ecozones

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return
  • Hodge RP (1976) Amphibians & Reptiles in Alaska, the Yukon & Northwest Territories. Alaska Northwest Publishing Company RWED Library Call #QL651.H6 - B008 Return

Habitat

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return

Intrinsic Vulnerability

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return
  • Fournier M.A. (1999) Personal Communication. - H108 Return

Longevity

  • Fournier M.A. (1999) Amphibians & Reptiles in the Northwest Territories. Ecology North Public pamphlet Database references file - P007 Return

Naming

  • Crother, B. I. (ed.). (2008) Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico.. Society for the Study of Amphibians and Reptiles (SSAR) Sixth Edition, Herpetological Circular 37 - R167 Return

Number of Occurrences

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return

Population Size

Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return
,
Fournier M.A. (1999) Personal Communication. - H108 Return

Range Extent

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return
  • Fournier M.A. (1999) Personal Communication. - H108 Return

Taxonomy

  • Crother, B. I. (ed.). (2008) Scientific and Standard English Names of Amphibians and Reptiles of North America North of Mexico.. Society for the Study of Amphibians and Reptiles (SSAR) Sixth Edition, Herpetological Circular 37 - R167 Return

Threats

  • Fournier M.A. (1997) Amphibians in the Northwest Territories: a summary of historic information.. Society for the Study of Amphibians and Reptiles Herpetological Conservation No. 1: Amphibians in Decline; Canadian Studies of a Glabal Problem. Green DM (editor). 100-106 Personal Files, M Fournier - A103 Return
  • Fournier M.A. (1999) Personal Communication. - H108 Return