Observer bias in bird census: in forest assemblages, richness estimates appear the most sensitive metrics – a cautionary note with educational implications

Puntos clave

• Richness estimates appear the most sensitive to observer bias in bird census assessments, leading to skewed data.
• Notably, variations in richness estimates can significantly impact forest assemblage studies, affecting conservation efforts.
• Observational analysis on various forest sites indicates a strong relationship between observer bias and biodiversity data accuracy.
• Educational implications arise as this bias could misinform conservation strategies and ecological understanding.