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Great Skua & Blackbird control

onsdag 29. marts 2023
af Lauren Evans

Dante and I headed for Verdens Endes 1 at first light for morning observations. There were good numbers of finches moving, including 400 Siskin (Grønsisken) and 323 Redpolls (Gråsisken). Out at sea, there was a high number of Gannets (Sule), moving both Northwest (970) and Southeast (294), two adult, dark-morph Arctic Skua (Almindelig Kjove) and one Great Skua (Storkjove)- the first seen in Denmark this year.

29th March Worlds End 1

Dante observing at World's End 1.

After morning observation, I headed out to World’s End 3 to meet the group of scientists from Aarhus University at their temporary research station. Throughout the season we’ll be helping the team collect data on the flight height of large migrating birds (such as geese, swans, seabirds and raptors) using laser binoculars and radar. I had a practice with the binoculars and managed to register a few passing divers, including one 1167m away.

Yehonatan, Johanna, Bjarne, and Simon had the nets open at Kabeltromlen and had another diverse catch of 26 birds including two Chiffchaffs (Gransanger) and one Northern Bullfinch (Stor Dompap). The undoubted highlight was a British-ringed Blackbird and, being from the UK myself, I am particularly excited to receive the recovery information.

The ringing team also welcomed a group of 50 school children to Kabeltromlen as part of a tour led by Simon. It was brilliant to be able to engage them in the work we do here, show them some birds in the hand, and hopefully inspire the next generation of ringers and Skagen Fuglestation volunteers.

After yesterday’s busy day, Yehonatan, Dante and myself spent the afternoon catching up on some all-important ringing and observation data entry. Meanwhile, Johanna and Bjarne conducted another Fulmar survey, walking a 12km transect along the northwest coast to collect dead seabirds for Aarhus University. Although this survey they didn’t find any deceased birds, they collected multiple bags of litter from the coast and managed to save a crab from a fishing net, so it was still an extremely good effort!

Today, we also received the ringing data from the Norwegian-ringed Blue Tit we caught at Kabeltromlen last week. The bird was originally ringed as a first calendar year on 03/11/2021 in Mølen, Vestfold, Norway.

Norwegian Blue Tit map

Map showing the original ringing location and subsequent recapture location of the Norwegian-ringed Blue Tit.

A full list of today's observations can be found here.

Today's raptor summary can be found here.

Skagen Fuglestation: Johanna Veentjer, Yehonatan Ben aroia, Dante Shepherd, Lauren Evans, Amelia & Bjarne.

Kabeltromlen Ringing Totals:

Robin (Rødhals)- 4

Blackbird (Sølsort)- 8

Lille Dompap (Bullfinch)- 3

Stor Dompap (Northern Bullfinch)- 1

Chaffinch (Bogfinke)- 2

Goldcrest (Fuglekonge)- 2

Chiffchaff (Gransanger)- 2

Wren (Gærdesmutte)- 3

Dunnock (Jernspurv)- 1

Total: 26