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Monday, December 23, 2024
HomeBirdYeoncheon Imjin River Biosphere Reserve: Lengthy-billed Plover Survey (March Twenty eighth-April third)

Yeoncheon Imjin River Biosphere Reserve: Lengthy-billed Plover Survey (March Twenty eighth-April third)



Chook Information from Dr Nial Moores with Ms. Lee Su-Younger, PhD candidate/ Birds Korea Intern Park Shinyeong and Yeoncheon Birds Korea Director Baek Seung-Kwang (additionally with Dr Mimi Kessler and Prof. Matt Toomey on 2nd).

All photographs copyright of Birds Korea.

Whereas extra evaluation is required, survey centered on the Nationally Susceptible Lengthy-billed Plover Charadrius placidus 흰목물떼새 by a Birds Korea crew alongside c. 77km of the three major rivers within the Biosphere Reserve discovered a grand complete of 63 people, and 38-42 suspected breeding territories.

Two completely different Lengthy-billed Plovers 흰목물떼새. Maybe 2cy – Feminine? – above two photographs, exhibiting very worn wing coverts however quite much less worn wanting “saddle”; maybe youthful male or older feminine under (?). This extremely specialised riverine species appears to point out numerous particular person variation, and it was usually solely simple to intercourse birds when in apparent pairs. For instance, fairly a number of of the birds had some orange-brown on the base of the invoice, whereas others had all black payments; most lacked a black bridge above the invoice, whereas others (together with a few of these with brownish ear coverts under a black eye-line) additionally confirmed numerous black on the lores.
Pair of Lengthy-billed Plover 흰목물떼새 on the nest: male above (primarily based on extent of black on head and in breast patches – however nonetheless exhibiting weakly marked lores) and feminine under (primarily based on a lot weaker face sample, and really restricted black scaling within the breast patches).

This analysis, supplementing once-every-three day counts of Scaly-sided Merganser alongside core stretches of the Imjin River by Yeoncheon Birds Korea, additionally lined habitats inside the CCZ, and some hours solely in hill forest.

In all, we recorded 115 chook species, together with no less than 4 which we had not beforehand seen within the County, along with an fascinating mixture of tardy winter birds and early spring migrants.

Along with very massive numbers of Hawfinch and a few thrush flocks, species of biggest notice included:

  • Swan Goose Anser cygnoides 개리. Re-assessed as Globally Endangered. One in rice-fields between Jeongok and Yeoncheon Eup on April 1st. That is the second report this 12 months, and follows quickly after three documented by Director Baek on the Imjin River.
Swan Goose 개리, with Tundra Bean Goose 큰기러기 in foreground and Larger White-fronted Geese 쇠기러기,
  • Frequent Shelduck Tadorna tadorna 혹부리오리. Very uncommon within the ROK away from the coast. Two on the Imjin River at Baekhak from March 29th to April 1st no less than.
  • Purple-breasted Merganser Mergus serrator 바다비오리. Uncommon away from the coast. On 29th, a feminine (2cy?) was with a 2cy male Scaly-sided Merganser at Horogoru; and a separate male was seen close to to Baekhak.
  • Hill Pigeon Columba rupestris 낭비둘기.  A complete of 18 had been seen on the threerd (as much as 150 had been current within the space in March).
  • White-naped Crane Antigone vipio 재두루미. A complete of 44-48 had been seen within the CCZ.
  • Purple-crowned Crane Grus japonensis 두루미. A lone 2cy was within the CCZ on April 3rd.
  • Temminck’s Stint Calidris temminckii 흰꼬리좀도요. One was at Baekhak on March 29th. Along with be being a really early report on the nationwide degree, that is additionally our first report of this scarce migrant within the Biosphere Reserve.
  • Saunders’s Gull Chroicocephalus saundersi 검은머리갈매기. Extraordinarily uncommon away from the coast. One was seen flying upstream on the Imjin River on 29th. Unsurprisingly, that is the primary report we all know of this Globally Susceptible species within the Biosphere Reserve.
  • Cinereous Vulture Aegypius monachus 독수리. 5 had been nonetheless current close to Yeoncheon Eup on April 1st; and one was seen on 3rd.
  • Alpine Accentor Prunella collaris 바위종다리. One was seen in Godae San on April 2nd. That is our first report within the Biosphere Reserve.



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