American robins do not consistently flee from wildfire smoke, according to a new study by biologists at Oregon State University [1].
The findings challenge assumptions about how wildlife perceives and reacts to toxic air during the increasingly common annual fire seasons. Understanding these behavioral responses is critical for predicting how smoke affects animal survival and ecosystem health.
Biologists Jamie Cornelius, Alex Jahn, Dorothy Zahor, and Ken Glynn led the research to examine the effects of wildfire smoke on animal behavior [1]. The team focused specifically on the American robin to determine if the birds would migrate away from smoke-filled areas to avoid respiratory distress or other health risks [1].
"We found that robins were not consistently fleeing from the smoke," Cornelius said [1].
Instead of evacuating the area, the researchers observed the birds engaging in routine activities. Dorothy Zahor said the robins were exhibiting other behaviors, such as foraging and vocalizing [1]. This suggests that the birds may not perceive the smoke as an immediate threat, or may be unable to detect the danger until it reaches a critical threshold.
Researchers noted that this study fills a significant gap in ecological knowledge regarding atmospheric pollutants. Alex Jahn said this is one of the few studies to examine how wildfire smoke affects animal behavior [1].
The study was conducted as part of broader efforts to understand the impact of toxic air on various species. By tracking the movements and activities of the robins, the OSU team aimed to clarify whether a standardized "flight" response exists among avian populations when faced with wildfire smoke [1].
“"We found that robins were not consistently fleeing from the smoke,"”
This research indicates that wildlife may lack an innate behavioral trigger to avoid wildfire smoke, potentially exposing them to prolonged toxic exposure. If common species like the American robin do not perceive smoke as a signal to relocate, it suggests that respiratory stress and long-term health declines may be more prevalent in wild populations than previously assumed by conservationists.
