Airport Canopies Become Starling Roosts – Two Airport Case Studies
Airport Canopies Become Starling Roosts – Two Airport Case Studies
Airport Canopies Become Starling Roosts – Two Airport Case Studies
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<strong>Starling</strong>s & blackbirds are “Feathered Bullets”, having<br />
mean body densities 25-34% greater than gulls<br />
Species<br />
Mean body<br />
mass (g)<br />
Herring gull 1,044<br />
Mean body<br />
density (g/cm 2 )<br />
Density as % of<br />
herring gull density<br />
0.602 100%<br />
B. headed cowbird 42 0.750 125%<br />
European starling 72<br />
0.776<br />
129%<br />
Common grackle 96 0.809 134%<br />
In addition, starlings/blackbirds typically fly in dense<br />
flocks (100 birds or 6-10 kg of body mass/cubic meter)
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