The following picture donated by Margaret Devine Sloan:

http://biology.usgs.gov/pierc/HFBIDPSite/DisDenELEP_Obs.html  

http://biology.usgs.gov/pierc/HFBIDPSite/DisDenELEP_Pred.html

http://www.fws.gov/pacificislands/CHRules/Elepaio_ch_final_fs.pdf 

http://www.dofaw.net/fbrp/projects.php?id=00063 

http://www.hawaii.gov/dlnr/consrvhi/forestbirds/elepaio1.html 

http://audubon2.org/webapp/watchlist/viewSpecies.jsp?id=74 

http://biology.usgs.gov/pierc/HFBIDPSite/Central_Windward_OFR_2005-1441.pdf 

Slightly longer selections giving the upward chip notes: elepaio4;  elepaio5

elepaiolong1 (this is ~1200 Mg; two elepaio are having a heated discussion; battle of the rubber duckies!)

See also:   http://www.animalbehaviorarchive.org/loginPublic.do  enter "elepaio" without quotes and search