Crimson Cattleya Orchid — Framed Piece Frame:Black This 1987 watercolour is one

This 1987 watercolour is one of Glen's most compositionally ambitious: the white of the goats against the white of the distant glaciers

watching the foraging behaviour that makes them one of the most resourceful mammals in their environment

The painting is remarkable for the quality of attention given to both the birds and the field: the Snow Geese are rendered with the same care as his Canada Geese studies

his bird compositions

Crimson Cattleya Orchid — Framed Piece Frame:Black This 1987 watercolour is oneA Crimson Cattleya Orchid in full bloom the magenta pink petals large and ruffled, the orange yellow throat a burst of warmth at the centre, the pseudobulbs and strap leaves rendered in the yellow green of a well tended plant. This 1994 coloured pencil study is among Glen's finest botanical works: the flower's complex structure rendered with complete precision, the petals' translucency suggested through layered coloured pencil without losing their