Chestnut-collared longspurs reduce parental care in the presence of conventional oil and gas development and roads

Anthropogenic disturbances such as energy extraction may affect numerous behavioural strategies, including competition for optimal nesting sites and predation risk avoidance. Impacts may result either from the structures themselves, or from associated anthropogenic noise and activity. Using surveillance cameras, we recorded behaviours of chestnut-collared longspurs, Calcarius ornatus, a threatened grassland songbird, at nests in a region of...