You are currently viewing one of the free species accounts available in our complimentary tour of Birds of North America. In this courtesy review, you can access all the life history articles and the multimedia galleries associated with this species.
For complete access to all species accounts, a subscription is required.
Species status of Cassin’s Sparrow in El Paso, TX, region throughout typical year. Data from J. Donaldson and B. Zimmer pers. comm.
|Period start||Period end||Status|
|Late Dec||First week Mar||Very scarce, 1–2 birds recorded in typical day of intense field work|
|First week Mar||First week May||Singing, common|
|First week May||Mid-Jul||Gone|
|Mid-Jul||Mid-Aug||Singing heavily, common|
|Mid-Aug||Sep||Singing decreasing in intensity, stopping in Sep|
|Sep||Dec||Gone, approximately 2 records for area|
Mean percentage of day (06:00–22:00) spent in different activities for adult breeding Cassin’s Sparrows in w.-central Texas (from Schnase et al. 1991 ).
|Breeding phase||Sample size||Ground activity||Flight song||Perched (singing)||Perched (silent)||Flying|