State and federal actions to conserve northern spotted owl (Strix occidentalis caurina) habitat are largely initiated by establishing habitat occupancy. Northern spotted owl occupancy is typically assessed by eliciting their response to simulated conspecific vocalizations. However. proximity of barred owls (Strix varia)-a significant threat to northern spotted owls-can suppress northe... https://jalyttlers.shop/product-category/led-candle/