Serinus serinus
(Serin)
India ink
and ecoline , 2000

Troglodytes troglodytes 

(Wren) 

India ink and ecoline, 2000

Douro internacional,
ecoline.
Grupo do Risco 2008

Cigaduenha
Douro internacional,
ecoline,
Grupo do Risco

field sketshing
Douro, Portugal
Grupo do Risco

Falco columbarius  (Merlin, male),
watercolor 2006

Aquila adalberti,
watercolor, 2007.

Plegadis falcinellus
(Glossy Ibis in winter)
watercolor, 2012.

Columba palumbus
(Woodpigeon),
watercolor, 2006.

Parus ater (Coal Tit),
watercolor