Residential bird biodiversity

Intervention1 paper1 finding

Outcomes

Frailty

downin humans1Low certainty

1 study

Residential bird biodiversity decreases frailty in humans (-1.4% (95% CI -2.1% to -0.8%)).
“Each interquartile range increase in residential bird Shannon diversity was associated with a 1.4% lower expected VA-FI deficit count (95% CI -2.1% to -0.8%).”
Humansper interquartile range increase in residential bird Shannon diversity2011-2023n = 20,388
Residential bird biodiversity and frailty deficit accumulation: a longitudinal cohort study in New York City · medRxiv · 21 Aug 2026 · Preprint

medRxivHumansPreprint21 Aug