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Pied Oystercatchers second try at breeding – 10,000 Birds


Yearly we observe each egg and chick loss amongst our Pied Oystercatcher pairs alongside Cable Seashore and in addition in Roebuck Bay throughout their breeding season. The breeding season begins across the finish of June and there are nonetheless eggs being laid and chicks hatching, however now these are the second clutches of eggs. We have now noticed as much as 5 makes an attempt by some pairs of Pied Oystercatchers in a season. There may be normally a spot of round ten days between egg or chick loss and the following clutch of eggs being laid. The urge to breed is clearly sturdy sufficient for them to maintain making an attempt it and fortunately as a result of longevity of the species they’re able to change themselves throughout their lifetime. Nearly all of the Pied Oystercatchers that have been marked in Broome a few years in the past at the moment are nonetheless breeding at over twenty years of age.

Sadly the household of Pied Oystercatchers that I launched you to a few weeks in the past have misplaced their chicks and we’re hopeful they might try and breed once more, however it is usually getting late within the season. One different pair of Pied Oystercatchers have simply hatched out their eggs and so they have moved the chicks in direction of the seashore from the rocky outcrop that they used as their nest web site. The nest web site is simply to the South of the place the planes are available to land at Broome airport and it’s a noisy location. Within the header photograph you may see how low the planes are available over Cable Seashore earlier than they land.

Within the photograph under the nest web site and the brand new roost for the newly hatched chicks are seen, however solely as a result of I do know the place they have been and now are! That is the furthest we have now identified the Pied Oystercatchers nest from the shoreline. It’s a lengthy stroll for little legs!

Nest web site and new roost web site

The nest web site was in a very good place to have good surrounding views of any threats within the space.

Sitting on the second clutch of eggs

View from the nest space

I knew the eggs ought to have hatched this week and once I walked alongside an empty seashore at excessive tide I quickly discovered the grownup Pied Oystercatchers had moved their household in direction of the shoreline. The egg shells are at all times eliminated as soon as the chicks have hatched by the grownup Pied Oystercatchers and we have now noticed them being dropped near the ocean. Inside a matter of hours they’re on the transfer and on this space there are usually not many locations to cover as soon as you allow the rocky outcrop.

I had solely simply turn out to be seen to the Pied Oystercatchers once they known as out to the chicks with their acquainted alarm name. We take pleasure in listening to the alarm name, as a result of it signifies that there are chicks and when they’re silent we all know they’ve misplaced their younger. The Pied Oystercatchers by no means keep collectively when there’s a menace. One of many adults will stay with the chicks and the opposite will act as a decoy, so it’s important to resolve which is the extra possible location for the chicks from the 2 choices. The male of this pair of Pied Oystercatchers at all times seems to tackle extra of the protective duties, however we additionally know he’s an previous hen.

Pied Oystercatcher with chicks

I walked extensively across the space and took a couple of images hoping that I might have the ability to work out if each chicks had survived to this point. From the entire footprints across the space they have been clearly concentrating on this spot for his or her roost.

Roost with chicks

As soon as I zoomed in on the photograph at dwelling on the pc I may clearly see that there have been two Pied Oystercatcher chicks to guard hidden within the vegetation.

Pied Oystercatcher chicks

As soon as once more we hope they’ve extra luck with this second clutch of eggs, however there are quite a few threats now they will run and conceal, however not fly. In the event that they make it to forty days we shall be extra optimistic. It’s a lengthy technique to go, however we are able to stay in hope……



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