Loons Near Pudong Airport

Black-throated Loon and Red-throated Loon have been found at a little-birded recreational area in Pudong, and Slaty-backed Gull has appeared on the Huangpu River across from the Bund. All three species are rare in Earth’s Greatest City, with Black-throated Loon the scarcest. All three were brought to light by Shanghai birders using social media.

Red-throated Loon Gavia stellata, Sanjiagang Water Park, March 2017. Photo by Kai Pflug.
Red-throated Loon Gavia stellata, Sanjiagang Seaside Park (31.217928, 121.768172). Photo by Kai Pflug. On Sun. 19 March 2017, a day after Michael Grunwell and I viewed it, this loon was discovered dead at the water park. It may have been a victim of poisoning through the ingestion of oil that had collected on its feathers.

The loons had been sighted numerous times before my partner Michael Grunwell and I arrived on Sat. 18 March 2017 at Sanjiagang Seaside Park (31.217928, 121.768172). The dilapidated recreation area is on the coast of the East China Sea, near the mouth of the Yangtze River, 9 km north of Pudong Airport. Chinese birders discovered the loons, and birder Larry Chen, his partners Komatsu Yasuhiko and Archie Jiang, and bird photographer Kai Pflug followed up, reporting back to our chat group, Shanghai Birding.

On Sun. 19 March, the Red-throated Loon was discovered dead at the park by local birder Suōyǔ Hè (蓑羽鹤). It is not clear what killed the bird, but it may have slowly poisoned itself by ingesting oil that had collected on its feathers. Larry said that during his encounters with the individual “The loon was constantly attempting to preen itself” and that he clearly saw oil on one of its flanks. Can you detect anything amiss in the video below?

Red-throated Loon breeds at latitudes above 50 degrees in Eurasia and North America. Wintering Gavia stellata is more common in Shanghai than Black-throated Loon, being recorded annually here. Michael, my wife Elaine Du, and I found Red-throated Loon at Cape Nanhui in January 2016.

The feet of loons are placed far back on their body. Their resulting ungainliness on land is obvious even on a resting loon, as here. Laotieshan, Liaoning, 18 Sept. 2013. Photo by Craig Brelsford.
The feet of loons are placed far back on the bulky body, making loons powerful divers and clumsy walkers. Note the dagger-like bill, elongated head, and thick neck, characteristic of all five species in the loon family Gaviidae. I found this Black-throated Loon on 18 Sept. 2013 at Laotieshan, Liaoning (38.730483, 121.134018).

Black-throated Loon is also known as Black-throated Diver and Arctic Loon. Gavia arctica breeds across northern Eurasia and into Alaska. It is an uncommon winter visitor all along the coast of China and is very rarely noted in Shanghai, with the last previous record in 2012. Before the encounter Saturday, I had seen Black-throated Loon only once, on 18 Sept. 2013 at Laotieshan (38.730483, 121.134018) in the northeastern province of Liaoning.

Here is video of Black-throated Loon at Sanjiagang Seaside Park.


Michael Grunwell viewing gulls on Huangpu River, 18 March 2017. Photo by Craig Brelsford.
Michael Grunwell views gulls Saturday at Binjiang Park (31.2356935, 121.4973863). Craig Brelsford.

On Sat. 18 March at Binjiang Park (31.2356935, 121.4973863), with the Pudong skyline looming behind, Michael Grunwell and I scanned the gulls on the Huangpu River.

“I think we’ve found Slaty-backed!” Michael cried.

With my iPhone I took photos of the gull through my scope and uploaded the photos to Shanghai Birding, the chat group I manage on the instant-messaging application WeChat. Within minutes the experts in my pocket started weighing in. Shenzhen birder Jonathan Martinez and Larry Chen, both strong gullers, confirmed Michael’s ID. Michael and I had a life bird!

By its second winter, Slaty-backed Gull (C) shows a mantle darker than that of all other gulls in our region. Note the contrast in mantle color between Larus schistisagus and the adult Vega Gull L. vegae vegae/mongolicus surrounding it. Photo by Craig Brelsford using iPhone 6 and PhoneSkope adapter attached to my Swarovski ATX-95 spotting scope.
By its second winter, Slaty-backed Gull (C) shows a saddle a darker shade of grey than that of all other gulls in East Asia. Note here the contrast between the slate-grey of Larus schistisagus (top inset) and the lighter grey of the other gulls, all adult Vega Gull L. vegae vegae/mongolicus (bottom inset). UPDATE, 18 APR 2017: In a guest post for shanghaibirding.com about the Widespread Herring-type Gulls of East Asia, Nial Moores says the gull far L is Taimyr Gull L. (heuglini) taimyrensis. Photo by Craig Brelsford using iPhone 6 and PhoneSkope adapter attached to Swarovski ATX-95 spotting scope.

Slaty-backed Gull Larus schistisagus breeds on islands and cliffs on the coast of the Russian Far East (particularly the Kamchatka Peninsula) as well as Hokkaido. Wintering Slaty-backed are common in Japan, less common in northern coastal China, and rare in Shanghai.

Slaty-backed Gull, 2nd winter, Huangpu River, Shanghai 18 March 2017.
Slaty-backed Gull, Shanghai. Note the angular head, stout bill, and short, thick, bubblegum-pink legs. Craig Brelsford.
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Day Lists
Lists are generated on eBird then adjusted to comport with my first reference, the IOC World Bird List.

List 1 of 2 for Sat. 18 March 2017 (7 species)

Vega/Mongolian Gull Larus vegae vegae/mongolicus, Binjiang Park (31.240195, 121.490717), Shanghai, China, 18 March 2017. © 2017 by Craig Brelsford (www.craigbrelsford.com, www.shanghaibirding.com)
Mongolian Gull Larus vegae mongolicus, Binjiang Park (31.2356935, 121.4973863), 18 March. Tag says ‘AL 62.’ I am looking into the origin of the tag and will update this post when I get more information. This is yet another photo taken with my iPhone 6 + PhoneSkope + Swarovski ATX-95. UPDATE, 22 MAR 2017: Thank you to Nial Moores from Birds Korea for showing me this page about a wing-tagging program for gulls from 2004 in northeastern Mongolia. It is highly possible that the gull above is part of that program. UPDATE, 24 MAR 2017: Gull researcher Andreas Buchheim has written me saying that he himself ringed gull AL 62 on 27 May 2013 at Telmen Lake (48.8, 97.25) in NW Mongolia. Telmen Lake is 2,820 km (1,752 miles) from Shanghai’s Binjiang Park. Buchheim said that when he ringed AL 62, it was already an adult. This means that AL 62 hatched no later than spring 2010 and that the youngest it could be is nearly 7 years old. All large, white-headed gulls breeding in Mongolia, Buchheim said, are mongolicus. Regarding our mongolicus, Nial Moores from Birds Korea said, ‘This individual shows more obvious yellowish tones to the legs than most/any we see here in Korea (where they are invariably pinkish-legged). It is known that some Mongolians on the breeding grounds have yellowish tones to the legs–so perhaps this difference between birds in Shanghai and Korea is to do with hormonal condition pre-migration. It tends to be several degrees colder in Korea than in Shanghai on the same dates, of course.’

Birds noted at Binjiang Park (Bīnjiāng Gōngyuán [滨江公园], (31.2356935, 121.4973863), small urban park on Huangpu River in Pudong New Area (Pǔdōng Xīn Qū [浦东新区]), Shanghai, China. Overcast; low 10° C, high 13° C. Visibility 10 km. Wind NE 11 km/h. PM2.5 AQI: 91 (moderate). Sunrise 06:00, sunset 18:04. SAT 18 MAR 2017 11:00-12:45. Craig Brelsford & Michael Grunwell.

Little Egret Egretta garzetta 20
Black-crowned Night Heron Nycticorax nycticorax 50
Mongolian Gull Larus vegae mongolicus 1 w. tags & band
Vega/Mongolian Gull L. vegae vegae/mongolicus 149
Lesser Black-backed Gull L. fuscus heuglini 3
Slaty-backed Gull L. schistisagus 1
Long-tailed Shrike Lanius schach 1
Chinese Blackbird Turdus mandarinus 15

List 2 of 2 for Sat. 18 March 2017 (22 species)

Shanghai Birder KaneXu (L), and Michael Grunwell share a laugh after discovering that they both own the same model of camera, the Nikon Coolpix P900S.
Shanghai birders KaneXu (L) and Michael Grunwell share a laugh after discovering that they own the same camera, the Nikon Coolpix P900S. The two were at Sanjiagang Seaside Park on 18 March. When it comes to compact cameras, Nikon and other manufacturers are feeling the heat from smartphones. They know that consumers are turning away from compact cameras because the cameras in smartphones are now so good. They are therefore loading up compact cameras such as the P900S with plenty of power and pricing them competitively. KaneXu and Michael are getting great stills as well as video with their new cameras. Photo by Craig Brelsford.

Birds noted at Sanjiagang Seaside Park (Sānjiǎgǎng Hǎibīn Lèyuán [三甲港海滨乐园]; 31.217928, 121.768172), Pudong New Area (Pǔdōng Xīn Qū [浦东新区]), Shanghai, China. Overcast; low 10° C, high 13° C. Visibility 10 km. Wind NE 11 km/h. PM2.5 AQI: 91 (moderate). Sunrise 06:00, sunset 18:04. SAT 18 MAR 2017 14:15-16:45. Craig Brelsford & Michael Grunwell.

Tufted Duck Aythya fuligula 40
Red-throated Loon Gavia stellata 1
Black-throated Loon G. arctica 1
Little Grebe Tachybaptus ruficollis 50
Great Crested Grebe Podiceps cristatus 5
Grey Heron Ardea cinerea 3
Little Egret Egretta garzetta 75
Eurasian Coot Fulica atra 60
Spotted Dove Streptopelia chinensis 7
Long-tailed Shrike Lanius schach 3
Barn Swallow Hirundo rustica 25
Light-vented Bulbul Pycnonotus sinensis 15
Pallas’s Leaf Warbler Phylloscopus proregulus 2 (1 singing)
Vinous-throated Parrotbill Sinosuthora webbiana 40
Pale Thrush Turdus pallidus 1
Daurian Redstart Phoenicurus auroreus 1
Eurasian Tree Sparrow Passer montanus 50
White Wagtail Motacilla alba leucopsis 20
Little Bunting Emberiza pusilla 5
Yellow-throated Bunting E. elegans 1
Black-faced Bunting E. spodocephala 7
Pallas’s Reed Bunting E. pallasi 7

Featured image: Black-throated Loon Gavia arctica, Laotieshan, Liaoning, China, 18 Sept. 2013. Photo by Craig Brelsford using Nikon D3S and Nikkor 600mm F/4 lens. 1/800, F/14, ISO 1600. I was just 7.1 m from the loon, lying on my belly on the rocky shore.

Where the World’s Greatest Flyway Meets the World’s Greatest City

Finally, it is ready: Elaine’s and my report on the doings of this past spring in Shanghai. We’re calling it “Shanghai-area Springtime Birding, 2016.”

The report is the latest in a growing list of resources available on shanghaibirding.com. Everything we do here is geared toward showing you what birding is like at the point on the Earth where the world’s greatest migratory flyway meets the world’s greatest city.

The report covers 7 March to 24 May 2016. Elaine and I birded 38 of those 79 days and noted 240 species. We partnered with members of our network of subscribers and contributors to shanghaibirding.com. Special thanks to Michael Grunwell and Jan-Erik Nilsén as well as to Xueping Popp, Stephan Popp, Kai Pflug, and Ian Davies.

Why should you read “Shanghai-area Springtime Birding, 2016”? Read it to plan your own explorations and to get an idea of what birds you can expect to see in this city in March, April, and May. You’ll find no more complete a report on that subject, anywhere.

From the intro:

“We deepened our knowledge of the birds of the East Asian–Australasian Flyway and increased our understanding of the pressures these birds face in the Shanghai region. One of the most densely populated areas in the world and an economic dynamo, the Shanghai tri-province area encompasses Shanghai, Jiangsu, and Zhejiang, is the size of the U.S. state of Kansas, and has a population of 160 million–half that of the United States.”

From the highlights:

“ — We continued to monitor species under threat by the uncontrolled coastal development afflicting the region, among them the endangered Black-faced Spoonbill, Great Knot, and Yellow-breasted Bunting; near-threatened Eurasian Oystercatcher, Asian Dowitcher, Black-tailed Godwit, Bar-tailed Godwit, Eurasian Curlew, Grey-tailed Tattler, Red Knot, Curlew Sandpiper, Japanese Paradise Flycatcher, Marsh Grassbird, and Reed Parrotbill; and vulnerable Chinese Egret, Saunders’s Gull, and Yellow Bunting. We led a group one of whose members found the critically endangered Spoon-billed Sandpiper.

“ — We recorded the first Blue Whistling Thrush in Shanghai since 1987. Other interesting finds were Horned Grebe on Chongming, Oriental Plover on Hengsha Island, Ruddy Kingfisher at Yangkou, Red-throated Thrush at Century Park, singing Sakhalin Leaf Warbler at Zhongshan Park, Grey-crowned Warbler, Two-barred Warbler, Pechora Pipit, and Citrine Wagtail at Nanhui, White-shouldered Starling on Lesser Yangshan, Rufous-faced Warbler at Nanhui and on Lesser Yangshan, and Bluethroat at Nanhui and on Chongming.”

Featured image: Screenshot of our newly published report, “Shanghai-area Springtime Birding, 2016,” now available in the Reports section of shanghaibirding.com.