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Breeding waterbirds in Eastern Guangdong, June 2011
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<blockquote data-quote="MKinHK" data-source="post: 2178179" data-attributes="member: 21760"><p>The next major stop was a site Brian had heard about with a big egretry on the broad flood plain that extended several kilometers inland. The egretry was of an impressive size, but very difficult to count as many of the birds were hidden under the foliage of the trees, safely protected from disturbance by a river that ran either side of the island on which they stood. However the real target here were four magnificent <strong>Purple Swamphens</strong>, as rotund, overdressed and majestically dignified as a convention of cardinals. Altogether we saw one red-crowned adult and three black-billed pale-headed and casque-less juveniles. We were delighted to find them right away as we only had a vague idea where to look, but jammed right into them feeding peaceably in some emergent vegetation. </p><p></p><p>Personally this was a good claw-back as Richard and other friends had seen both the plover and the swamphen previously on Hainan on trips I had been unable to join. The swamphens were also my first China tick for more than a year, while the plover, if accepted as a full species, would be a lifer. </p><p></p><p>There is a contentious issue. Swinhoe’s Plover differs in structure, plumage, vocalizations, migration strategies, habits and possibly moult strategy, and despite having overlapping distributions, remain reproductively distinct. Yet the geneticists can find no meaningful difference between Kentish and Swinhoe’s Plovers. As a committed field birder who wouldn’t know a mitochondrial DNA if it bit me on the bum I rather enjoy the fact that Swinhoe’s appears to be inviting the cell pokers to relocate their microscopes in a snug dark spot, get out of the lab and do some real birding. Admittedly its still early days, but the gauntlet has been well and truly thrown down.</p><p></p><p>Having nailed the target birds by lunchtime on day one we retired to Lufeng and the much grander Vienna Hotel (complete with chaise long and mirrored pillars in my room) to sleep off the midday heat. In the afternoon we explored another stretch of beach with several more families of <strong>Swinhoe’s Plover</strong>. Here we found a very tiny chick, thought to be about a day old, being guarded by its very nervous parents. For them safety clearly lay in the sparse grass of the sand dunes at the back of the beach, and the male in particular spent a good deal of time standing sentinel. However the chick was far too excited about its world to stay still and after hiding for a bit, it would emerge and rush immediately down through the litter and flotsam towards the water, with its parents puttering nervously alongside. Non of my pix of the hatchling came out, but I do have a picture of the female.</p><p></p><p>It turned out they had good reason to be nervous. As the chick reached the lower part of the beach another pair of plovers appeared and tried, rather aggressively, to approach the chick, either to attack or abduct it. The parents leaped into action, charging at the interlopers and chasing them off. These attacks continued several times, while the chick, apparently oblivious, motored back toward the dunes like a self-propelled dandelion. Is this behaviour known in other species?</p><p></p><p>Out at sea a few <strong>Little Terns</strong> scooted by, and much further out five Bridled Terns brought the tern species count for the day to six. However the totally unexpected find was an all-dark and rather bedraggled <strong>shearwater sp.</strong> sitting on the sea about 50 metres offshore. While Short-tailed is the most likely (up to 33 have been recorded passing Hong Kong in April-May each year) it had a rather long, heavy tipped bill which at least required the question to be asked about whether Sooty Shearwater could be safely eliminated. The jury is still out. Sadly the bird looked to be in trouble, trying twice to fly off, but was unable to lift itself out of the water. I have posted some pix on the ID forum - <a href="http://www.birdforum.net/showthread.php?t=203796" target="_blank">here</a></p><p></p><p>More to come . . . </p><p></p><p>Cheers</p><p>Mike</p></blockquote><p></p>
[QUOTE="MKinHK, post: 2178179, member: 21760"] The next major stop was a site Brian had heard about with a big egretry on the broad flood plain that extended several kilometers inland. The egretry was of an impressive size, but very difficult to count as many of the birds were hidden under the foliage of the trees, safely protected from disturbance by a river that ran either side of the island on which they stood. However the real target here were four magnificent [B]Purple Swamphens[/B], as rotund, overdressed and majestically dignified as a convention of cardinals. Altogether we saw one red-crowned adult and three black-billed pale-headed and casque-less juveniles. We were delighted to find them right away as we only had a vague idea where to look, but jammed right into them feeding peaceably in some emergent vegetation. Personally this was a good claw-back as Richard and other friends had seen both the plover and the swamphen previously on Hainan on trips I had been unable to join. The swamphens were also my first China tick for more than a year, while the plover, if accepted as a full species, would be a lifer. There is a contentious issue. Swinhoe’s Plover differs in structure, plumage, vocalizations, migration strategies, habits and possibly moult strategy, and despite having overlapping distributions, remain reproductively distinct. Yet the geneticists can find no meaningful difference between Kentish and Swinhoe’s Plovers. As a committed field birder who wouldn’t know a mitochondrial DNA if it bit me on the bum I rather enjoy the fact that Swinhoe’s appears to be inviting the cell pokers to relocate their microscopes in a snug dark spot, get out of the lab and do some real birding. Admittedly its still early days, but the gauntlet has been well and truly thrown down. Having nailed the target birds by lunchtime on day one we retired to Lufeng and the much grander Vienna Hotel (complete with chaise long and mirrored pillars in my room) to sleep off the midday heat. In the afternoon we explored another stretch of beach with several more families of [B]Swinhoe’s Plover[/B]. Here we found a very tiny chick, thought to be about a day old, being guarded by its very nervous parents. For them safety clearly lay in the sparse grass of the sand dunes at the back of the beach, and the male in particular spent a good deal of time standing sentinel. However the chick was far too excited about its world to stay still and after hiding for a bit, it would emerge and rush immediately down through the litter and flotsam towards the water, with its parents puttering nervously alongside. Non of my pix of the hatchling came out, but I do have a picture of the female. It turned out they had good reason to be nervous. As the chick reached the lower part of the beach another pair of plovers appeared and tried, rather aggressively, to approach the chick, either to attack or abduct it. The parents leaped into action, charging at the interlopers and chasing them off. These attacks continued several times, while the chick, apparently oblivious, motored back toward the dunes like a self-propelled dandelion. Is this behaviour known in other species? Out at sea a few [B]Little Terns[/B] scooted by, and much further out five Bridled Terns brought the tern species count for the day to six. However the totally unexpected find was an all-dark and rather bedraggled [B]shearwater sp.[/B] sitting on the sea about 50 metres offshore. While Short-tailed is the most likely (up to 33 have been recorded passing Hong Kong in April-May each year) it had a rather long, heavy tipped bill which at least required the question to be asked about whether Sooty Shearwater could be safely eliminated. The jury is still out. Sadly the bird looked to be in trouble, trying twice to fly off, but was unable to lift itself out of the water. I have posted some pix on the ID forum - [URL="http://www.birdforum.net/showthread.php?t=203796"]here[/URL] More to come . . . Cheers Mike [/QUOTE]
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Breeding waterbirds in Eastern Guangdong, June 2011
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