Study of a Grey Heron (Ardea Cinevea)

Crayon on paper

Black ink on brown cardboard

Black and white chalk on blue-buff wove paper

Colored marker and black pen on paper

Watercolor over graphite on off-white wove paper

Black, white, and gray paint and orange crayon on cream wove paper

Black marker on paper

Graphite on off-white wove paper

Black ink, blue and white gouache, and blue watercolor on off-white illustration board

Brown ink and gray wash over traces of black chalk on off-white antique laid paper, laid down on card and attached to mount

Black and white photographs and adhesive on paper

Charcoal on cream laid paper