Are bird species that vocalize at higher frequencies preadapted to inhabit noisy urban areas ? /

Míreanna Comhchosúla

• Serins respond to anthropogenic noise by increasing vocal activity /
  le: Diaz, Mario.
• Habitat-dependent acoustic divergence affects playback response in urban and forest populations of the European blackbird /
  le: Ripmeester, Erwin A. P.
• The influence of the acoustic community on songs of birds in a neotropical rain forest /
  le: Luther, David.
• Birds' egges: The visual guide to the eggs of over 500 bird species from around the world
  le: Michael Walters
  Foilsithe: (1994)
• The great book of birds: The comprehensive illustrated guide to 600 species and their environments
  Foilsithe: (1997)