The note by Graham Martin (Brit. Birds 112: 687) describing Long-tailed Tits Aegithalos caudatus stealing nesting material from a Eurasian Treecreeper Certhia familiaris reminded me of a similar interaction between Long-tailed Tits and Blue Tits Cyanistes caeruleus.

The Long-tailed Tit is a rare and occasional breeder in the Outer Hebrides, but one or two pairs bred su

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