[dcroley]

Which has more mass, a goose or a drone? My bet is on the goose.

[dotancohen]

Which has more mass, a pigeon or a 5.56? Which would you rather have bump into you at it's typical flight velocity?

[dcroley]

are you trying to suggest a drone is flies significantly faster than a goose?

[masonic]

An African goose, or a European goose? The African goose is non-migratory.

[hamitron]

Yes, but which can cause more damage to a fuselage? Mass isn't the only factor