I'd been keen to see quite how different these birds were from are own, especially since discovering on Shetland that Great Spotted Woodpeckers come in different flavours, something I had not known. For instance those from Northern Latitudes as might migrate from Scandinavia, have stubbier bills. Those from Southern climes, including those on the Canaries, are dusky in place of white amongst other things. And indeed they were, and I got some great views at Las Lajas recreational area in the pine forest belt on Mt Tiede. I read somewhere that there are likely fewer than 100 pairs on Tenerife, so that makes these birds incredibly rare really - however at Las Lajas they were a complete doddle.