(Photo and caption by Felix Inden / National Geographic Nature Photographer of the Year contest)

(Photo and caption by Jassen Todorov / National Geographic Nature Photographer of the Year contest)

(Photo and caption by Alain Boudreau / National Geographic Nature Photographer of the Year contest)

(Photo and caption by Calin Stan / National Geographic Nature Photographer of the Year contest)

(Photo and caption by Todd Kennedy / National Geographic Nature Photographer of the Year contest)

(Photo and caption by Cole Frechou / National Geographic Nature Photographer of the Year contest)