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My Media Bin: Evening Grosbeak Call Types

gravatar Matthew A Young

5 different Evening Grosbeak call types in North America, some of which might be good biological species.

Recording
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Notes
ML Audio 130768 Notes
Coccothraustes vespertinus (type 5) -- Evening Grosbeak (Mexican or type 5); 14 May 1999; United States, Arizona; ;
 
Type 5. Occupies southern Arizona into Mexico. Need more recordings! 5 calls types roughly match listed subspecies in 1957 AOU checklist.
ML Audio 130769 Notes
Coccothraustes vespertinus (type 4) -- Evening Grosbeak (type 4); 27 May 2011; United States, Colorado; call;
 
Type 4. Is an interior central Rockies call type that sometimes overlaps with type 1.
ML Audio 43986 Notes
Coccothraustes vespertinus (type 3) -- Evening Grosbeak (type 3); 19 Jan 1974; Canada, Alberta; call; ; mechanical sound;
 
Type 3. Highly irruptive in east, but in much less numbers since ~1990. Might mix with type 1 where boreal forest meets northern Rockies.
ML Audio 125252 Notes
Coccothraustes vespertinus (type 2) -- Evening Grosbeak (type 2); 13 Jun 2005; United States, California; call; ; fly; ; forage;
 
Type 2. Largely confined to the Sierras. Rarely mixes with type 1 in Washington and perhaps other parts of Pacific Northwest.
ML Audio 105759 Notes
Coccothraustes vespertinus (type 1) -- Evening Grosbeak (type 1); 27 May 1996; United States, Oregon; call;
 
Type 1. Most common type in Pacific Northwest sometimes wandering to Sierras and Rockies, thus mixing with types 2, 4 and possibly 3.