Across
- 6. The ___ of a vocalization is determine by it's function. Those meant to travel far may be lower frequency while alarm calls may be quick high frequency sounds
- 7. Bird vocalizations that are primarily to attract mates or defend territory
- 10. Region of neurons in birds that corresponds to their song repertoire size and can vary seasonally
- 11. Call meant to coordinate movements between a pair or flock of birds
- 12. This form of song variation occurs to prevent mating with the wrong species and hybridization
- 13. Bird song that comes naturally to birds and is always known is considered ___
- 14. This form of song variation occurs to recognize members within a species and to signal personal attributes
Down
- 1. Vocalizations that birds perform to communicate between each other or other non sexual functions
- 2. *Birds typically react more ___ to their local dialect than a foreign one, however in areas where dialects overlap this is no longer the case
- 3. Organ that controls sound production in birds and whose structure and location allows for two sounds to be produced at once
- 4. Bird song that is considered practice for young birds and is analogous to human babbling
- 5. Period of time in which birds must learn there song as it can't be changed after this
- 8. This form of song variation occurs due to cultural drift, habitat variation, and phylogenetic differences
- 9. Birds that must learn there songs from parents or other members of their species are ___ learners