Skinner

Skinner's journey from 23 May 2014 to 07 November 2014

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Further transmissions unlikely to be received - 29 May 2015

It looks likely that BB, Peter, Skinner, Waller and Whortle have failed to complete their migration this year, or their tags are no longer transmitting, and so we will be moving all of them to the inactive section of the website.

Cuckoos missing off the map - 24 Feb 2015

From time to time we ‘lose’ one or two of our Cuckoos only for them to reappear several days, or even weeks, later. We are never entirely sure why this might be at the individual level but during the course of the project we have noticed similarities between some of the ‘lost’ birds.

We have lost some of our birds just prior to them making a large movement and we think that this might be because they move into denser vegetation in order to feed up before embarking on a long flight. Moving into denser vegetation may mean that the solar panel that recharges the battery for the tag is in shade for periods of time and the battery receives a poorer charge, which in turn results in poorer performance from the satellite tag.

Once the birds have put on enough weight to begin their journey they move into the open and the tag begins charging again and the birds ‘reappear’. We also see the same thing happen, although to a lesser extent, when birds complete a long movement and presumably move into denser vegetation to rest and feed up

Lack of signals - 04 Feb 2015

Several of our Cuckoo tags have not sent transmissions for over 10 days; BB, Hennah, Peter, Skinner and Waller. 

This means they are not currently shown on the main map by default, although can be switched on using the tick boxes under their photos. It's not uncommon for Cuckoos to disappear for up to several months during mid-winter as tag charging conditions in the forest are poor so we won't really know their fate unless we receive further transmissions. If they fail to move northwards when expected then either the Cuckoo may have died or the tag may failed or degraded. Our greatest concerns are still for Peter and Waller who were in the same area when signals were last received, all the way back in October.

Skinner returns to Angola - 20 Oct 2014

By the 12 October Skinner had moved south to Congo and by the 17 he was in Angola, close to the area he spent last winter. He is slightly further east than last year and is just north of the Reserva Especial do Milando. It waits to be seen whether Chris or any of the other Cuckoos will join him here this year.

Skinner in Cameroon - 02 Oct 2014

Skinner has travelled 925km (575 miles) from his location in north-western Nigeria and is now in western Cameroon. Other Cuckoos who had been in the north of Cameroon have all moved on due to poor conditions so it will be interesting to see whether conditions are better in the south-west and how long Skinner remains here for.