JAC

JAC is named in loving memory of Professor Jenny Clack, a world-class palaeontologist, widely acknowledged as the leading authority on the evolution of land vertebrates from fish. The name JAC was chosen by Jenny's husband Rob who said "It seemed appropriate I should contribute to this important scientific study of cuckoos in memory of a top-class scientist, whom I adored."

Status:: Active
Tagged:: Tuesday, June 1, 2021 - 05:00
Tagging Location:: World's End, Llangollen, Denbighshire
Sex:: Male
Age when found:: Adult
Satellite Tag No.:: 213805
Wing Length (mm):: 224

JAC's journey from 01 May 2022 to 02 December 2022

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JAC's position on

JAC's movements

07 Nov 2022 - JAC nudges south in the Republic of Congo

Since our last update JAC has relocated 40km south within the Republic of Congo. He is currently at the edge of a forested area close to the town of Gamboma in the Plateaux region of central Republic of Congo. He is still south and west of his 2021 wintering grounds over the border in the Democratic Republic of Congo.

19 Oct 2022 - JAC relocates south east in Congo

Since arriving in the Congo a few weeks ago, JAC has flown 180km (112 miles) south east towards the border with Democratic Republic of the Congo. He is now 65km (40 miles) due east of the town of Oyo in the Cuvette region of Congo. We know that last year he wintered further east in DRC so he may well continue his journey east from here.

10 Oct 2022 - JAC arrives in the Congo

Over the last few days JAC has flown 592km (368 miles) south east from his last location in Gabon to the Republic of the Congo. He is in the rainforest approximately 20km north west of the town of Makoua. Last year JAC spent a couple of weeks in the Republic of Congo at the beginning of October before moving deeper into the rainforest of the Congo Basin of DRC to the east where he remained until late February.

15 Aug 2022 - JAC moves east in Nigeria

Since our last update, JAC has flown approximately 300km (186 miles) east towards north central Nigeria. His route took him to Kamuku National Park and he has since flown a further 30km east. He is now in north west Kaduna state, approximately 90km north west of the city of Kaduna.

10 Aug 2022 - JAC flies from Benin to Nigeria

JAC's visit to Benin was brief as new updates received last night show that he has flow 186km(116 miles) south east, taking him over the border into Nigeria. He is now in north western Nigeria, on the edge of the Illoka Oje Forest Reserve. Last year JAC spent almost two weeks in western Nigeria before moving further east into north central Nigeria where he remained until early October. He then moved directly to the Congo Basin where he spent the winter.

Past updates from Jac