Streamside bird monitoring in the Eastern Rivers and Mountains Network: Friendship Hill National Historic Site 2008–2019
Marshall MR. 2021. Streamside bird monitoring in the Eastern Rivers and Mountains Network: Friendship Hill National Historic Site 2008–2019. Natural Resource Report. NPS/ERMN/NRR—2021/2328. National Park Service. Fort Collins, Colorado
This report summarizes the first 11 years (2008 to 2019) of monitoring the streamside bird community at Friendship Hill NHS. During that time period four observers conducted 276 point count surveys detecting 2,518 individual birds at nine point count stations within the park. Friendship Hill NHS contains a rich and diverse streamside bird community with a total 59 species detected; 50 of which are target species and presumed to be breeding in the park during summer months. The majority of the 20 most abundant species were forest-associated species including both forest interior species and forest generalist species reflecting the dominant vegetation/habitat structure at the park. Sixteen species overall and six of the 10 most abundant species were of conservation importance in the Appalachian Mountains bird conservation region, highlighting the significance of even a relatively small park like Friendship Hill NHS to avian conservation. Almost all of the species of conservation importance at the park were species dependent on intact, mature, deciduous forest as habitat for nesting and breeding. Trends in unadjusted abundance over the period of monitoring were assessed for the 50 species in the defined target population (Table E-1). Trends in adjusted abundance that take into account detection probability were estimated for 24 species for which there were sufficient data.
- Type
- Published Report
- Authors
- Marshall, Matt
- Date of Issue
- 2021-11
- Publisher
- National Park Service
- Units
- ERMN , FRHI , NRSS
- Keywords
- avian conservation, bird monitoring, breeding birds, Eastern Rivers and Mountains Network, Friendship Hill National Historic Site, long-term population trends, point count survey, streamside bird