This is another active Great Horned Owl nest in Louisville, Colorado. This pair of owls have chosen to nest in this cottonwood tree.
The pair was seen at this nest in the early hours of 29 December, 2018. The Great Horned Owls that nest in and around the foothills of Colorado tend to begin laying their eggs in February.
Below is a video clip of the above nest with both adults present
The vocalization that the pair is making, as they communicate with one another, is interesting, if your unfamiliar with their vocalizations.