Eurasian treecreeper / common treecreeper (Certhia familiaris) climbing tree trunk with twig as nesting material in beak

- Image ID: F8CGAR
Arterra Picture Library / Alamy Stock Photo
Image ID: F8CGAR
Eurasian treecreeper / common treecreeper (Certhia familiaris) climbing tree trunk with twig as nesting material in beak