Roger Powell / European nuthatch {Sitta europaea} on tree trunk, Northumberland, UK

Roger Powell / European nuthatch {Sitta europaea} Northumberland, UK

Graham Eaton / Nuthatch (Sitta europaea) on tree trunk, UK, 2007

Tom Vezo / White-breasted Nuthatch (Sitta carolinensis) singing, Rio Grande Valley, Texas

Tom Vezo / White-breasted Nuthatch (Sitta carolinensis) clinging to tree trunk, Rio Grande Valley, Texas

Larry Michael / White breasted nuthatch on trunk (Sitta carolinensis) Wisconsin, USA

Barrie Britton / Eurasian nuthatch {Sitta europaea} Ussuriland, Far East Russia, 2004

Rolf Nussbaumer / White-breasted Nuthatch (Sitta carolinensis) on tree trunk, Burlington, North Carolina, USA. January 2005

Mike Wilkes / Nuthatch {Sitta europaea} UK

Larry Michael / White breasted nuthatch {Sitta carolinensis} USA

David Kjaer / Rock nuthatch at nest hole. (Sitta neumayer) Lesbos, Greece.

WILLIAM OSBORN / European nuthatch on nut feeder (Sitta europaea) UK.

George McCarthy / Rock nuthatch {Sitta neumayer} on rock face, Lesbos, Greece.

Bernard Castelein / Rock Nuthatch {Sitta neumayer} Turkey

Bengt Lundberg / European nuthatch at nest hole (Sitta europaea) Sweden

Rolf Nussbaumer / White breasted nuthatch {Sitta carolinensis} adult on Juniper tree, Chiricahua Mountains, Arizona, USA

Dave Watts / White-breated Nuthatch (Sitta carolinensis) at nest hole, Arizona, USA

Dave Watts / White-breated Nuthatch (Sitta carolinensis) feeding chicks at nest hole, Arizona, USA

Kim Taylor / Nuthatch {Sitta europaea} flying up to a hanging coconut bird feeder. UK.

DAVID TIPLING / European Nuthatch {Sitta europea} on garden nut feeder, UK.

Roger Powell / European nuthatch {Sitta europaea} male on bird feeder. UK.

Philippe Clement / Nuthatch on trunk {Sitta europaea} Belgium

Philippe Clement / Nuthatch feeds on peanuts at feeder {Sitta europaea} Belgium

DAVID TIPLING / Great tit {Parus major} and Blue tit {Parus caeruleus} on feeder, winter, England

George McCarthy / European nuthatch {Sitta europaea} Sussex, UK.

George McCarthy / European nuthatch {Sitta europaea} Sussex, UK.

Duncan Usher / Wood Nuthatch (Sitta europaea) adult feeding on acorn, Europe

Duncan Usher / Wood Nuthatch (Sitta europaea) eating sunflower seed, Europe

Duncan Usher / Wood Nuthatch (Sitta europaea) foraging for sunflower seeds, Europe

Duncan Usher / European Greenfinch (Chloris chloris) and Wood Nuthatch (Sitta europaea) foraging for sunflower seeds, Europe

Jan Vermeer / Wood Nuthatch (Sitta europaea) at feeder, Europe

David Kjaer / Rock nuthatch {Sitta neumayer} Lesbos Greece

Philippe Clement / European nuthatch {Sitta europaea} Belgium

Philippe Clement / European nuthatch {Sitta europaea} on Silver birch trunk Belgium

Tom Vezo / White-breasted Nuthatch (Sitta carolinensis), Long Island, New York

Konrad Wothe / Wood Nuthatch (Sitta europaea) on tree trunk, Europe

Flip de Nooyer / Wood Nuthatch (Sitta europaea) perched on tree trunk, Europe

Mike Read / European nuthatch {Sitta europaea} England

Mike Read / European nuthatch on feeder {Sitta europaea} England

Dave Watts / European nuthatch nest inside hollow trunk {Sitta europaea} Pyrenees, France

Philippe Clement / European nuthatch on fence {Sitta europaea} Belgium

David Kjaer / European nuthatch on tree trunk {Sitta europaea} Wiltshire, UK

WILLIAM OSBORN / Nuthatch bringing food to chicks in nestbox {Sitta europaea} UK

WILLIAM OSBORN / Nuthatch bringing food to chicks in nestbox {Sitta europaea} UK

Mike Read / European nuthatch {Sitta europaea} UK

George McCarthy / European nuthatch with peanut on tree trunk, UK

Dave Watts / European nuthatch eggs in nest {Sitta europaea}

Dave Watts / European nuthatch with chicks in nest in tree trunk {Sitta europaea} Europe

Dave Watts / White breasted nuthatch feeding young {Parus caeruleus} Digital composite

Donald M. Jones / Red-breasted Nuthatch (Sitta canadensis), North America

Donald M. Jones / Red-breasted Nuthatch (Sitta canadensis) with insect prey, North America

Mike Read / Eurasian nuthatch {Sitta europaea} collecting food from gate post, New Forest National Park, Hampshire, UK, January

Peter Lewis / Nuthatch (Sitta europea) perched on silver birch tree (Betula verrucosa), Hampshire.

Mike Read / European nuthatch {Sitta europaea} UK