BC Conservation Data Centre: Conservation Status Report
Podiceps grisegena
Red-necked Grebe
| Scientific Name: | Podiceps grisegena |
|---|---|
| English Name: | Red-necked Grebe |
| Provincial Status Summary | |
| Status: | S5?B |
| Date Status Assigned: | April 23, 2015 |
| Date Last Reviewed: | March 05, 2015 |
| Reasons: | Widespread, abundant, assumed stable, but potentially habitat threatened by conversion of wetlands. |
| Range | |
| Range Extent: | G = 200,000-2,500,000 square km |
| Range Extent Comments: | Breeds (D) throughout interior of BC east of Coast Ranges, except north-central protion; one coastal record on Cowichan Lake in 1935 (Munro 1941). Centre of abundance is s.interior from Kootenays to Chilcotin-Cariboo Basin. Nests located from 150 to 1,370m. Migration (D) occurs throughout BC, especially along coast. Main wintering areas (BC): coastal - Strait of Georgia and sheltered waters of Juan de Fuca Strait; in s. interior - Okanagan valley has largest aggregations (Campbell et al 1990). |
| Occurrences & Population | |
| Number of Occurrences: | D = 81 - 300 |
| Comments: | Widespread breeder in interior. [Usually solitary nesters, sometimes form loose colonies which occur in widely separate locations in BC. Colonies with more than 50 nests or pairs: Stump Lake (Quilchena); Charlie Lake; Duck Lake (Creston); Swan Lake (Vernon). Widespread nonbreeder (D), (Campbell et al. 1990).] |
| Number of Occurrences with Good Viability / Ecological Integrity: | Rank Factor not assessed |
| Number of Occurrences Appropriately Protected & Managed: | U = Unknown |
| Population Size: | D = 1,000 - 2,500 individuals |
| Comments: | Breeding (B). Nonbreeders (D): very common to abundant migrant; uncommon to very common summer visitant to interior; in winter fairly common to very common along coast (Campbell et al. 1990). |
| Threats (to population, occurrences, or area affected) | |
| Degree of Threat: | Rank Factor not assessed |
| Comments: | Concern for lost of habitat due to conversion of wetlands to residental, agricultural, and recreational use (Campbell et al. 1990). |
| Trend (in population, range, area occupied, and/or condition of occurrences) | |
| Short-Term Trend: | G = Relatively Stable (<=10% change) |
| Comments: | Assumed to be stable in BC (for nonbreeding birds also). [On 1974-1981 USA Blue List (Tate 1981), because thought to be a slow decline throughout its range. Delisted 1982, but is a species of special concerns due to potential loss of habitat.] |
| Long-Term Trend: | Rank Factor not assessed |
| Other Factors | |
| Intrinsic Vulnerability: | Rank Factor not assessed |
| Environmental Specificity: | Rank Factor not assessed |
| Other Rank Considerations: | |
| Information Gaps | |
| Research Needs: | |
| Inventory Needs: | |
| Stewardship | |
| Protection: | |
| Management: | |
| Version | |
| Author: | Ramsay, L.R. and B. Niedzielski and Westereng,L.K. |
| Date: | February 04, 2015 |
| References | |
|
Campbell, R.W., N.K. Dawe, I.McT. Cowan, J.M. Cooper, G. Kaiser, and M.C.E. McNall. 1990. The Birds of British Columbia, Vol. 1. Nonpasserines: Introduction, Loons through Waterfowl. Royal B.C. Mus. in association with Environ. Can., Can. Wildl. Serv. 514pp.
|
|
|
Munro, J.A. 1941. The grebes: studies of waterfowl in British Columbia. BC Provincial Museum Occasional Paper No.3, Victoria. 71pp.
|
|
|
Ohanjanian, I.A. 1986. Effects of a man-made dyke on the reproductive behavior and nesting success of Red-necked Grebes. M.Sc. Thesis, Simon Fraser University, Burnaby. 83 pp.
|
|
Please visit the website Conservation Status Ranks for information on how the CDC determines conservation status ranks. For global conservation status reports and ranks, please visit the NatureServe website http://www.natureserve.org/.
Suggested Citation:
B.C. Conservation Data Centre. 2015. Conservation Status Report: Podiceps grisegena. B.C. Minist. of Environment. Available: https://a100.gov.bc.ca/pub/eswp/ (accessed Jun 10, 2026).