Notes on the spring Territory of the Blackbird

study was made on the Dartington Hall estate, South Devon, in 1940, when the abnormal cold weather in late January and early February made possible the trapping and colour-ringing of an unusually large number of Blackbirds (Turdus m. tnerula). Unfortunately in the following autumn Blackbirds were extremely scarce, and all the colour-ringed birds had disappeared, for which the late summer drought w...