Oh, what a ‘BOO’ tiful night or…not. BooBook Owl comes to check on Daisy’s nest and then Daisy is ‘RAVEN’

The feature image shows an Australian BooBook Owl sitting on the rim of the sea eagle nest where Daisy has her eggs. She flew off the nest as soon as Boo arrived.

Boobook Owls are the smallest owls in Australia measuring from 10.5 to 14 cm (27 to 36 inches) in length. Those of us watching the White-Bellied Sea Eagle (WBSE) nest in the old Ironbark Tree in the Sydney Olympic Park are very familiar with ‘Boo’. The BooBook eats insects and small vertebrates. They breed in late winter and early summer and have their nests in tree hollows. Little Boo is infamous for striking the adult WBSE when they perch on their nest at night and for flying at and hitting the juveniles in the nest. Once or twice this past nesting season, Boo inflicted injury on the eye of WBSE mom, Lady. Boo is a nuisance but not thought a tremendous threat to Daisy. The problem is when she is frightened and flies off of the nest leaving her eggs exposed. For all purposes, it appears that Daisy is like a single mom having to do the incubating and the defence. She is one tough little duck.

Daisy returns to her nest around 4:43 am, some three hours after Boo lands on the nest. She waddled slowly over to the nest, looking this way and that, making sure that there were no more intruders. She settled and began incubation as she could not feel any threats still around.

Daisy returning to her nest after BooBook Owl leaves.

Daisy remained on the nest incubating her eggs until WBSE Dad comes to check on the nest at 5:39:25. This has to be one confused adult male sea eagle! There are eggs in HIS nest and he is trained not to step on eggs in case they might be his!

Daisy meanwhile made her quick escape just 25 seconds prior to the sea eagle landing.

WBSE arrives at dawn to his nest in the Ironbark Tree.
WBSE Dad lands at dawn to see if that strange thing in the middle of his nest is still there. Everyone holds their breath. What will he do?
WBSE Dad staring at the duck nest on the morning of January 15.
WBSE Dad arriving back at his nest and checking out Daisy’s nest. Yes, Dad, it is still there! You have not been imagining anything.
WBSE Dad poking his beak into the duck’s nest. Hopefully he did not break any eggs. He did this twice.
WBSE Dad grabbing a piece of duck down off Daisy’s nest.

Daisy could have been watching from a short distance because she returned to the nest as soon as Dad flew away at 6:30:29. This is one lucky duck!

After all the excitement of Boo and Dad, Daisy settles in to hopefully a quiet morning on the nest.

Two visits. It is a wonder that Daisy settled back on her eggs at all. Everything is quiet until 8:44. A raven lands on a branch of the nest and then jumps down to the rim! An egg eating raven!

An Australian Raven arrives on the nest rim.

The Australian Raven grows to 46–53 centimetres long or 18-21 inches. They appear an iridescent purplish blue-green and black in their plumage. They are part of the passerine family that includes crows. And they love eggs! Indeed, they are a great robber of nests. They are opportunistic feeders living on both plant and animals as well as food waste.

Daisy’s first reaction to the raven was to press her body flat in the nest. She appeared very frightened at first. And then she stood her ground. She leaned forward off of the eggs slightly and clacked at the raven. And, guess what? It flew away!

In the image below you can see Daisy stretching her neck and laying flat on the nest, just off the eggs, clacking. The tail of the raven can be see just slightly above the bottom right hand corner as the bird departs!

Daisy clacking at the raven to protect her eggs

Daisy has settled back on her eggs in hopes of a much more quiet day. Stay tuned! It is not even noon in Australia and no telling what is going to happen next in The Chronicles of Daisy the Duck.

Daisy often turns clockwise in her nest enlarging it and also you will see her go in with her head. She is aerating the nest.
Daisy continues to add down from her breast working to make it softer and softer.

Thanks to BirdLife Australia and the WBSE Sea Eagle cam for the scaps.

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