This is a guide to help with data analysis of avian monitoring programs. It covers assessment of abundance and species composition using point counts, demographic monitoring via mist-nets and demographic monitoring via nest-monitoring. The guide...
Female-plumaged Black-headed Grosbeak is very similar to female-plumaged Rose-breasted Grosbeak but has buffier breast and has streaking confined to the sides. For more information on passerines visit: http://www.mbr-pwrc.usgs.gov
