Roy and Millie are always wary, and usually confront any intruders with loud calls, wing waving, and aggressive postures like the droop-wing threat displays that we have seen in earlier years, such as the display that Roy used to chase a fox in 2011, show in the YouTube video on the left (below),
Millie and Roy signal the colt to hide while they loudly confront a threat. We call these behaviors "Flee and Hide".
The family reacts quickly to potential predators, such as an owl, lynx, or raven.
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