They have also been recorded using a concealed approach when attacking shorebird roosts, flying towards them behind the cover of dunes, cliffs or trees. Hobbies have been known to harass larger birds but are not capable of killing them.
The passage describes how these creatures attack shorebird nests using a hidden strategy, often hiding behind natural barriers like dunes, cliffs, or trees. They can harass larger birds but lack the strength to harm them.