The thieves struck between 1 July and 1 August and took a
total of 20 sheep and lambs.
North Yorkshire Police say the ten ewes, a mix of Swaledales
and Dalebred with red spray on their left shoulder, and ten lamb tups, with
blue spray on their shoulder, all with ear tags UK1253, were taken from a field
near Stockdale.
Anyone with information is asked to call 101 and quote
reference 227.