Does competition with residents affect the distribution of migrant territories?

• Main Authors: Tiimonen, S., Mönkkönen, M., Orell, M.
• Format: Article in Journal/Newspaper
• Language: English
• Published: BirdLife Finland 1994
• Subjects: Parus; Northern Finland
• Online Access: https://ornisfennica.journal.fi/article/view/133393

Herrera (1978) found an inverse relationship between relative densities ofresident and migrant passerines in European breeding bird assemblages. He hypothesized that the decreasing proportion of migrants to the south would be due to interspecific competition with residents. The putative competition...