Mer Bleue, palm warbler: Dendroica palmarum
AvesBirdsBirds of North AmericaMer BleueNew World Warblers ParulidaePasseriformespalm warbler Setophaga palmarum
It looks like you captured a "Yellow" Palm Warbler, of the "eastern" population. The eastern population is found east of James/Hudson Bay and is rare in Ottawa. It is uncommonly seen in Ottawa on migration. Good find!