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.
This refers to the behavior of these animals when hunting shorebirds, which involves a stealthy approach and targeting them from behind cover like dunes, cliffs, or trees.  They are known to harass larger birds but cannot kill them.