Birdsong Decision Table

• Sound or song consists of a single note. 🔍
• Clear whistle. 🔍
• Moderately pitched. 🔍
• Single or repeated, but slowly.
  Examples in North America: House sparrow "Two sounds: ascending wheep, also rolling crrreeep, among other forest bird songs" 🔍
• Quickly repeated 🔍
• High pitched 🔍
• Single or repeated, but slowly.
  Examples in North America: woodpeckers, warblers 🔍
• Repeated quickly as a trill or twitter.
  Examples in North America: sparrows, warblers 🔍
• Harsh, unmusical sound 🔍
• High pitched 🔍
• Short, sharp, may be repeated.
  Examples in North America: hummingbirds, warblers, nuthatch 🔍
• Longer in duration.
  Examples in North America: wood duck 🔍
• Moderately-pitched 🔍
• Short, sharp, may be repeated.
  Examples in North America: gulls, woodpeckers, orioles, nuthatches 🔍
• Longer in duration.
  Examples in North America: barn owl, kiskadee, brown jay 🔍
• Low-pitched croak or squawk.
  Examples in North America: great blue heron, crows 🔍
• Low pitched 🔍
• Short in duration 🔍
• Moderate in duration. 🔍
• Long in duration. 🔍
• Repeated 🔍
• Sound or song consists of two notes. 🔍
• Clear whistle. 🔍
• Descending. 🔍
• Rising. 🔍
• Notes repeated as a song. 🔍
• Moderately pitched. 🔍
• High pitched.
  Examples in North America: blackbirds, goldfinches 🔍
• Quacks, yelps, barks or honks, of various pitches. 🔍
• Relatively low pitched. 🔍
• Relatively high pitched. 🔍
• Low-pitched. 🔍
• Harsh, unmusical sound (at least to my ear). 🔍
• Intermediate in pitch. 🔍
• High-pitched. 🔍
• Sound or song consists of three or more notes. 🔍
• Short series of notes, repeated. 🔍
• Harsh, unmusical sound (at least to my ear). 🔍
• Some harsh or unmusical parts. 🔍
• Song musical, not harsh. 🔍
• Low-pitched. 🔍
• Higher-pitched. 🔍
• Change in pitch only. 🔍
• Rising in pitch. 🔍
• Pitch variable. 🔍
• Descending in pitch. 🔍
• Complex sounds or songs 🔍
• Song issued as phrases, separated by discrete pauses. 🔍
• Song does not have a distinctive beginning or end.
  Could be: Common blackbird 🔍
• Song has a distinctive beginning or end 🔍
• Beginning of song distinctive 🔍
• End of song distinctive 🔍
• Both beginning and end of song distinctive 🔍
• Moderate in pitch. 🔍
• Song does not have a distinctive beginning or end. 🔍
• Song has at least some harsh parts 🔍
• Not harsh or unmusical. 🔍
• Song has a distinctive beginning or end, 🔍
• Song issued as a continuous series of notes, with no obvious pauses. 🔍
• High in pitch. 🔍
• At least some harsh, unmusical parts 🔍
• Sound or song is musical, not harsh. 🔍
• Moderate in pitch. 🔍
• At least some harsh, unmusical parts 🔍
• Sound or song is musical, not harsh. 🔍
• High in pitch. 🔍