Fig 1 -

• Main Authors: Mason D. Ryckman (11973418), Kaylan Kemink (11973421), Christopher J. Felege (5017649), Brian Darby (3321585), Gregory S. Vandeberg (7182647), Susan N. Ellis-Felege (3310083)
• Format: Still Image
• Language: unknown
• Published: 2022
• Subjects: Neuroscience; Biotechnology; Ecology; Developmental Biology; Inorganic Chemistry; unmanned aerial vehicles; swimming ); resting; spatula discors </; spatula clypeata </; observed marked differences; gopro camera affixed; g .; feeding; found launch distance; conducted 42 paired; 4 %) flush; 27 may 2020; shovelers increased proportion; recorded duck behaviors; whether ducks swam; ducks appear aware; northern shovelers (<; div >< p; winged teal (<; shovelers became; winged teal; vigilant behaviors; northern shoveler; ducks flushed; spotting scope; specific activities; respectively ); overhead vigilance; less known; inaccurate counts; important predictor; examine flushing; despite similarities; could result; behavioral responses; 30 minutes; 24 april; Northern Shoveler; Shoveler
• Online Access: https://doi.org/10.1371/journal.pone.0262393.g001

Least square means and 95% confidence intervals of proportion of time spent on active behavior for blue-winged teal (A) and northern shoveler (B) within treatments groups (Flown vs. Control). Additional behaviors for active are feeding, breeding, preening, and swimming.