birding-aus
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To: | "Darryl Morgan" <>, <> |
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Subject: | Hooded Plover |
From: | "Val Ford" <> |
Date: | Sun, 15 Jan 2006 07:38:40 +1100 |
Hi Darryl
The Hooded Plovers start breeding on the ocean
beaches of the Point Nepean National Park at the end of August and continue to
do so until the end of March.
The HP you observed going up into the dunes would
have been either attempting to lay ["making a crater"] or
incubating ["would then sit there, until it was disturbed by people
walking past"].
"It would then sit there, until it was
disturbed by people walking past".
Disturbance - humans, dogs or whatever - is the
biggest problem for the HPs. If the temperature of the eggs drops
below or goes above certain temperature limits - serious problems. In fact
you can see disturbed HPs being very reluctant to leave the nest on very cold
days.
Of course their biggest challenge is when the
chicks leave the nest within 24 hours of their synchronised hatching.
Because they are unable to thermoregulate for the first 5 days they are very
dependent on regular brooding by their parents - which of course doesn't happen
when they are disturbed and the parents try to distract attention from the
chicks. And of course if disturbed the chicks are unable to feed.
Most chicks are lost within the first 5 days.
"Is the female behaviour similar to that of the
Red-capped Plover when approaching it's nest? "
I haven't studied Red-capped Plover so am not sure
what you mean.
What beach were you on? The Hooded
Plovers I monitor, as part of the Friends of the Mornington Peninsula Hooded
Plover group, are those on Koonya and Montfort beaches.
Regards
Val
Sorrento, Vic
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