Eastern Olivaceous Warbler – Collieston, Aberdeenshire, 16th September 2000
Once Gillian and the girls returned, I discussed my plans with her, and, as a result, it was agreed that I should take Ellen. We jointly packed up everything I might need for her, and then Ellen and I departed at c.12:37.
Despite the fuel crisis and speed cameras on the A90(T), I was determined to get there as soon as possible, and we did so at about 15:00.
I found the scene of the twitch easily enough, which proved to be an area of lawn with a caravan and car access behind some large old houses and gardens in the village of Collieston. This seemed ideal for Ellen as we were away from the road and so it proved, generally so at least. She was in her element and was befriended by a young boy from one of the houses, who offered her some of his chocolate bar.
Unfortunately, despite these seemingly ideal circumstances, the bird was not to be found.
After bribes in the form of a Milky Bar and also a nappy change, we moved to the Manse garden, which seemed to offer more prospect of the bird being there. Again, the proved to be ideal for Ellen, as there was a large lawn surrounded by the wooded cover in which her Dad hoped to locate the bird.
She really enjoyed this setting, in particular the steep slope, which she tried to climb up and down with mixed success, as well as the garden bench and the porch of the Manse, which she invited herself into. Perhaps she was trying to tell me she was cold. The small assembly seemed to cope with her presence in good spirit, but still the bird wasn’t found.
We took the hint and travelled back, stopping off in Stonehaven for fish and chips….. Damn, I had dipped!
However, the bird stuck and so at c.08:20 on Saturday the 16th September, Graham and I left for a weekend in the Aberdeenshire, the prime purpose of which, as far as I was concerned, was to finally get to grips with the Olivaceous Warbler. We arrived at c.11:00 to be told by Angus Murray, Calum Scott, et al., that we had missed it showing well at the Manse garden – by 10 minutes!
We, or particularly I, then endured 3.5 hours of misery trying to get good views of the bird. It continually eluded my forlorn attempts to see it both at the Manse garden, and after it had been flushed (possibly by me!) back at the gardens behind the Post Office. Apart from a Pied Flycatcher and some Goldcrests, I saw little throughout this period. Graham did get adequate views during this time, but for me anyway, these views were dire. When the bird was showing it was always obscured, and often I was only able to follow its movements by following the movements of vegetation.
Graham left to go off birding at c.14:30, after which I preceded to get some 2.5 hours of good views, until his return. Initially, it was watched as it slowly worked its way through the coppiced willows, again betrayed only by the movement of branches, before it finally gave itself up in the dog rose hedge alongside the field and then in the lower branches of the conifer. From then on, it was generally in view in either of the two sycamores or in the conifer.
Whether this apparent change in behaviour was due to the warm afternoon sunshine (in contrast to the weather of the midweek afternoon visit) or the gradual reduction of numbers of birders looking for it (eventually I was one of two people watching it) was not clear, but it certainly did show well for much of the afternoon. Often, especially when it was in the sycamores, I was able to get on it with the ‘scope, and as a result I was able to examine it in some detail.
In flight the bird looked like a large warbler and was apparently grey (a similar shade to male Blackcap). However, when feeding and working its way through the branches of its chosen vegetation, it looked a browner colour
Although a Hippolais warbler, was superficially like a bleached Reed Warbler, both in structure and plumage. It was perhaps a few millimetres bigger than a Reed Warbler, but had a more attenuated appearance, particularly regarding the head and bill. The forehead was flat and sloping, and the bill was long and narrow, with a yellowish base to the dull grey-brown lower mandible. The upper mandible was also dull grey-brown. The ‘facial expression’ was blank, due to a faint supercilium that was concentrated in front of the eye and ended at the rear edge of the indistinct eye-ring with which it merged.
Tail flicking was not seen very often, if at all, and the grey-white outer edges and white tips to outer tail feathers were also not observed. It was though, heard to call very occasionally, a clicking ‘clack’ typically of such species.
It was apparently of the elaeica race (and as such subsequently became a full species, Eastern Olivaceous Warbler, in its own right).
It was eventually seen really well, and although examined in some considerable detail, and obviously an Olivaceous Warbler, the subtle nuances of its plumage compared to confusion species such as Reed Warbler and Booted Warbler and features such as the primary projection, tail-flicking, etc., not necessarily observed.




