There was a small group of Willow Warbler feeding alongside my local brook today and I found it interesting to note the colour of the legs which in my experience are usually lighter in this species compared to the Chiffchaff that, again in my experience, are normally black. Also the wings in the Willow Warbler extend well beyond the tail in the Willow and not so far in the Chiffchaff. These two individuals show that there is a degree of variation in the leg colour.
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