Connecticut Warbler

Oporornis agilis

General Status Rank: 
Undetermined
ELCODE: 
ABPBX11020
Common Name: 
Connecticut Warbler
Scientific Name: 
Oporornis agilis
Taxonomy
Group: 
Bird
Kingdom: 
Animalia
Phylum: 
Chordata
Class: 
Aves
Order: 
Passeriformes
Family: 
Parulidae
Distribution

Ecozones

Taiga Plains
References: 

Distribution

Present in Liard Valley in 1999 (A111), 2001-2003 (H161_05); Small area around Fort Liard, estimated from Canadian Wildlife Service – Prairie & Northern Region 2009. Bird distributions in Nunavut & the Northwest Territories: 2009 Review).
Score: 
E
References: 

Number of Occurrences

5 records; some signs of breeding but not conclusive (A111); eBird contains 5 records from Liard river valley (W113). 6 records in the Fort Liard database (DD15, CWS 2014 unpublished data). A few records from the Fort Simpson BBS route (H307)
Score: 
A
References: 

Area of Occupancy

Score: 
-
Population

Population Size

North American population est. 1.2 million: PIF pop estimates not calculated for this species.(DD16)
References: 
Threats

Intrinsic Vulnerability

Score: 
-
General Status Rank
Rank: 
Undetermined
Status Rank Description: 
Liard Valley, some signs of breeding but not conclusive, extreme northern edge, extra-limital; Multiple observations throughout Fort Liard and Fort Simpson areas, likely species has range within the NWT and is not an accidental species. More data are required to confirm status of species within NWT.
S Rank: 
SU
Decision Process Description: 
Drafted by S. Carriere based on printed material in 2000; Reviewed in 2005 by Craig Machtans and L. Armer - no change in status.; Reviewed in 2010;no change; Reviewed by Emily Upham-Mills CWS in 2015, no change; Reviewed by Emily Upham-Mills CWS in 2015, no change
Last Updated: 
February 5, 2015

References

Ecozones

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return

Number of Occurrences

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return
  • Audubon and Cornell Lab of Ornithology and Bird Studies Canada (2015) http://ebird.org/content/canada/ - W113 Return
  • CWS (2014) CWS Unpublished Data - DD15 Return
  • Emily Upham-Mills and Rhiannon Pankratz (2015) e-copy - H307 Return

Population Size

Rich, T.D., Beardmore, C.J., Berlanga, H., Blancher, P.J., Bradstreet, M.S.W., Butcher, G.S., Demarest, D.W Dunn, E.H., Hunter, W.C., Inigo-Elias, E.E., Kennedy, J.A., Martell, A.M., Panjabi, A.O.,et al. (2004) Partners in Flight North American Landbird Conservation Plan (janv-04). Cornell Lab of Ornithology, Ithica, NY http://www.partnersinflight.org/cont_plan/default.htm - LA01 Return
,
Partners in Flight Science Committee 2013. Population Estimates Database, version 2013. Available at http://rmbo.org/pifpopestimates. Accessed on <January 25, 2015>. (2013) http://rmbo.org/pifpopestimates - DD16 Return

Range Extent

  • Machtans, C.S. (2000) Extra-limital observations of Broad-winged Hawk, Buteo platypterus, Connecticut Warber, Oporornis agilis, and other bird observations from the Liard Valley, Northwest Territories.. Ottawa Field-Naturalists' Club Canadian Field-Naturalist 114: 671-679. - A111 Return
  • Matchtans, C (2005) Bird ranking 2005 - working sheet. pers. Comm. By e-mail from V Johnstone 22 Nov. 2005 electronic references - H161_05 Return
  • Emily Upham-Mills and Rhiannon Pankratz (2015) e-copy - H307 Return