Aperçu
Nom du projet
Boulder County Winter Raptor Surveys
Niveau d'accès
par requête
Première année
1983
Fin du projet
Ongoing
Ensemble de données
BCNA Winter Raptor Survey: Total Counts
À propos
Résumé de l’ensemble de données
Raptor detections on variable length driving transects with locations and age classes in Boulder County, Colorado. This dataset is split into 2 collections: BCNA_TOTALS, the total number of a species seen on the survey route, with age classes, and BCNA_LOCATIONS, the total count of each species seen at a specific location along a route.
Saison(s) et fréquence
Four surveys between 15 October and 15 March.
Région géographique couverte
Boulder County, Colorado, USA
Principales espèces couvertes
All raptors, including owls.
Objectifs
Establish long-term trend data on winter raptor abundance on the plains of Boulder County, Colorado.
Méthodologie
Plan d’échantillonnage
Manual route selection to provide adequate coverage of all grasslands in the county.
Méthodes de terrain
Driving transect (see website for details).
Suggestions
Winter 2025/2026 was the first to utilize the NatureCounts app and provide precise locations for raptors. Previously a grid system was used to identify location. Please contact science@bcna.org for more details. Please contact science@bcna.org when requesting a copy of this dataset for a data sharing agreement.
Partenaires
Boulder County Nature Association
Boulder County Parks and Open Space
Comment citer
Boulder County Nature Association. 2026. "BCNA Winter Raptor Survey: Total Counts". Données obtenues de NatureCounts, Oiseaux Canada.
