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American badger Taxidea taxus

Goal: Enhance and expand areas occupied by American badger in San Diego County in large interconnected blocks (>1,000 acres) of suitable natural vegetation surrounded by a limited number of high use roads, and increase connectivity (and reduce potential road mortality) between occupied and suitable habitat areas to allow expansion and movement of badger occurrences and to ensure persistence in the MSPA over the long-term (>100 years).

regional NFO 2020, 2021 SL
MON-PRP-MONPL TAXTAX-3

Management units: 3, 4, 5, 6, 8, 9, 10, 11

Beginning in 2020, use data and recommendations from the research and genetic studies to develop a long-term American Badger Monitoring Plan in the MSPA to efficiently and periodically monitor the distribution, abundance, mortality and connectivity of the badger population using non-invasive and cost-efficient monitoring methods, such as the collection of scat for genetic analysis, tracking and burrow surveys. The plan should include specific monitoring objectives, sampling frame, sampling design, methods and analytic approach.

Action Statement Action status Projects
PRP-1 Submit project metadata and American Badger Monitoring Plan to MSP Web Portal. waiting for precedent action
Criteria Deadline year
In 2021, Completed American Badger Monitoring Plan 2021
Threat Name Threat Code
Climate changeCLICHN
Invasive plantsINVPLA
Loss of connectivityLOSCON
Pesticides
Code Obj. code Statement
TAXTAX-1 MON-RES-SPEC In 2019-2020, continue the study begun in 2014 to: determine the locations of American badgers in western San Diego County (see occurrence table); to assess and analyze occurrence status, identify and characterize suitable habitat, and evaluate threats; to record movement patterns to determine the risk of direct mortality from existing and planned future roads; and to examine ways to improve badger connectivity between IMAs and reduce mortality (e.g. culverts, bridges, fencing, etc.). Use the study results to prepare specific management recommendations for badger habitat management and for connectivity enhancement within the MSPA.
TAXTAX-2 MON-RES-GEN In 2019-2020, continue the study begun in 2014 to determine the population genetics of American badger in western San Diego County (see Occurrence Table), within the range of T. t. Jeffersoni, to determine the extent of connectivity between badger occurrences and if possible, the number and relationship of existing individuals, and use this information to determine where to prioritize connectivity enhancements and whether or not existing occurrences of American badger are self-sustaining.
TAXTAX-2 MON-RES-GEN In 2019-2020, continue the study begun in 2014 to determine the population genetics of American badger in western San Diego County (see occurrence table), within the range of T. t. Jeffersoni, to determine the extent of connectivity between badger occurrences and if possible, the number and relationship of existing individuals, and use this information to determine where to prioritize connectivity enhancements and whether or not existing occurrences of American badger are self-sustaining.
TAXTAX-4 MGT-PRP-MGTPL Beginning in 2020, use results and recommendations from the research and genetic studies to develop a 2022-2026 comprehensive American Badger Management Plan in the MSPA to enhance connectivity within and among IMAs (see Table of Occurrences) and to manage grasslands to improve habitat quality and prey availability. The plan should identify high priority areas for badger management and provide site-specific management recommendations and guidelines for monitoring the effectiveness of management actions.
regional NFO 2020, 2021 SL
MGT-PRP-MGTPL TAXTAX-4

Management units: 3, 4, 5, 6, 8, 9, 10, 11

Beginning in 2020, use results and recommendations from the research and genetic studies to develop a 2022-2026 comprehensive American Badger Management Plan in the MSPA to enhance connectivity within and among IMAs (see Table of Occurrences) and to manage grasslands to improve habitat quality and prey availability. The plan should identify high priority areas for badger management and provide site-specific management recommendations and guidelines for monitoring the effectiveness of management actions.

Action Statement Action status Projects
PRP-1 Use research results to develop specific recommendations to improve road crossing infrastructure, such as culverts, bridges and fencing, to enhance connectivity and reduce mortality risk. waiting for precedent action
PRP-2 Analyze habitat assessments and information from other studies (e.g., western burrowing owl and California ground squirrel BMPs) to prepare specific management recommendations land managers can take to enhance availability of prey species, particularly California ground squirrels, and improve habitat quality for badgers. Identify opportunities to conduct grassland management for badgers in conjunction with habitat management for other MSP species, such as golden eagles. waiting for precedent action
PRP-3 Submit project metadata and American Badger Management Plan to MSP Web Portal. waiting for precedent action
Criteria Deadline year
In 2021, Completed American Badger Management Plan 2021
Threat Name Threat Code
Climate changeCLICHN
Invasive plantsINVPLA
Loss of connectivityLOSCON
Pesticides
Code Obj. code Statement
TAXTAX-1 MON-RES-SPEC In 2019-2020, continue the study begun in 2014 to: determine the locations of American badgers in western San Diego County (see occurrence table); to assess and analyze occurrence status, identify and characterize suitable habitat, and evaluate threats; to record movement patterns to determine the risk of direct mortality from existing and planned future roads; and to examine ways to improve badger connectivity between IMAs and reduce mortality (e.g. culverts, bridges, fencing, etc.). Use the study results to prepare specific management recommendations for badger habitat management and for connectivity enhancement within the MSPA.
TAXTAX-2 MON-RES-GEN In 2019-2020, continue the study begun in 2014 to determine the population genetics of American badger in western San Diego County (see Occurrence Table), within the range of T. t. Jeffersoni, to determine the extent of connectivity between badger occurrences and if possible, the number and relationship of existing individuals, and use this information to determine where to prioritize connectivity enhancements and whether or not existing occurrences of American badger are self-sustaining.
TAXTAX-2 MON-RES-GEN In 2019-2020, continue the study begun in 2014 to determine the population genetics of American badger in western San Diego County (see occurrence table), within the range of T. t. Jeffersoni, to determine the extent of connectivity between badger occurrences and if possible, the number and relationship of existing individuals, and use this information to determine where to prioritize connectivity enhancements and whether or not existing occurrences of American badger are self-sustaining.
TAXTAX-3 MON-PRP-MONPL Beginning in 2020, use data and recommendations from the research and genetic studies to develop a long-term American Badger Monitoring Plan in the MSPA to efficiently and periodically monitor the distribution, abundance, mortality and connectivity of the badger population using non-invasive and cost-efficient monitoring methods, such as the collection of scat for genetic analysis, tracking and burrow surveys. The plan should include specific monitoring objectives, sampling frame, sampling design, methods and analytic approach.