Migration of the willow flycatcher along the middle Rio Grande

Author(s)
Yong, Wang, and Deborah M. Finch
Year
Article Title
Migration of the willow flycatcher along the middle Rio Grande
Volume
109
Issue
2
Pages
253-268
Start Page Number
253
Final Page
268
Review

Datapoints

Displaying 1 - 8 of 8 datapoints.
Species: Willow Flycatcher (Empidonax traillii)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Range Type
Time of Migration or Dispersal spring passage mid-May (onset), June 8 (date of last capture) 42 captures Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets
Time of Migration or Dispersal fall migration mid-August (onset), September 16 (date of last capture) 42 captures Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets
Body Weight - Mean mean body weight of all birds (subspecies not separated) 12.7 84 g Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) 10.3-15.9 Exposure Factor Datasets
Body Fat (total or %) total fat mass in birds with 8% or 20% fat-free body mass 1 (8%) to 2.4 (20%) 8-42 captures per habitat type g Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets
Body Weight - Mean mean body weight of adastus subspecies 13.31 9 captures g Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets
Body Weight - Mean mean body weight of brewsteri subspecies 12.59 33 captures g Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets
Body Weight - Mean mean body weight of traillii subspecies 13.07 7 captures g Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets
Species: Southwestern Willow Flycatcher (Empidonax traillii ssp. extimus)
Exposure Endpoint Type Endpoint Description Endpoint Value Sample Size Units Life Cycle Stage Specific Location Type
Body Weight - Mean mean body weight of extimus subspecies 12.73 34 captures g Adult Rio Grand Nature Center (35deg07'N, 106deg41'W); Bosque del Apache National Wildlife Refuge (33deg48'N, 106deg52'W) Exposure Factor Datasets

Comment

Please let us know if the information on this page is helpful for you. Enter your comment and leave your email address if you would like to receive a response. Thank you!
OEHHA is subject to the California Public Records Act and other laws that require the release of certain information upon request. If you provide comments, please be aware that your name, address and e-mail may be available to third parties. In addition, all public comments will be posted on our web site upon the close of the comment period.
OEHHA California Office of Environmental Health Hazard Assessment