Traditional Pigeon-house
of Trás-os-montes, Portugal,
watercolor

Tursiops truncatus
(Bottlenose Dolphin),
watercolor, 2011.

Ardea cinerea (Grey Heron),
watercolor, 2006.

Asio otus (Long-eared Owl)
watercolor and graphite.
2006

Aquila fasciata
(Bonelli's Eagle)
watercolor

Accipiter gentilis
(Goshawk) watercolor

Sedum sediforme,
watercolor, 2009

Cincidela campestris,
watercolor, 2011

Indian of Brazil,
Kreen-Akrore girl,
graphite, 2004

street of Lisbon in the year 1000 AD,
watercolor, Marcos Oliveira