It’s an impressive mound. The moat instantly alerts her to
the sound of any intruders as they’ll have to work their way through the water
first. She can also focus on the sound of any grass or twigs rustling, though
it may be too late by then. The cygnets might also restrict how she can turn or
lean forward to defend herself, but at least she’ll see the attack coming. The height
also gives her an added advantage for a dive defence. How quiet can an intruder
be? They’ll certainly have to get wet. The majority of the water is behind her
so she can focus on spotting shorter attacks from the land. Here she’ll just
have to lean forward to deliver a hefty peck, causing the invader to lose their
footing and falling down the mound into the water. She does look very comfortable
and holed up, though she’ll have to leave sometime to obtain food.
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