The chicks, eldest 21 days.


mostly these are chewed off at the base of the stem and left lying on the cage floor having no further potential as toys. Being scramblers, they often ignore the flight option and climb along the cage front. My next experiment, to get better space utilization, will be to replace the standard perches with V-shaped natural beech ones clamped to the cage front so that they can run and jump the length of the cage.


Do not underestimate their intelligence – everything is examined for its’ entertainment potential. My birds have escaped by unhooking one side of a bath – the family were sitting in a row on top of their external nest box – and regularly undo one of the four bolt and (external) wing nut assemblies that retain my cage


26 BIRD SCENE


fronts. I keep my Sierras in an outside flight covered in plastic-coated netting. The Mountains lasted less than a day in a similar unit having immediately set about removing the plastic coating. There are four subspecies of Mountain recognized (including the typical form)


The eldest at 31 days. Three chicks are clearly cocks.


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