An American Tree Sparrow sings from an exposed perch during the summer on Alaska's North Slope.

Elementos relacionados

• 

  #257504354

• 

  #548055790

• 

  #422617905

• 

  #83223587

• 

  #51284304

• 

  #724939913

• 

  #400429838

• 

  #642961650

• 

  #345290824

• 

  #345290183

• 

  #223302759

• 

  #350735916

• 

  #188899636

• 

  #621814320

• 

  #440549086

• 

  #323965836

• 

  #395699417

• 

  #83081827

• 

  #109434175

• 

  #104062816

• 

  #143612087

• 

  #144095270

• 

  #615621397

• 

  #371743250

• 

  #123413972

• 

  #159128837

• 

  #326488523

• 

  #904938934

• 

  #314431348

• 

  #387133193

• 

  #354152495

• 

  #351190988