The largest bird I have seen collide with a plane (Pakistan Boeing 777 here). Herring gulls weigh up to 1.5kg/3.3lbs, so not something you want to happen too often.
JustPlanes filmed a roundtrip from Zurich to Phuket Thailand on the Airbus A330-200 of Edelweiss. For the full 220 minute film visit http://www.worldairroutes.com/Edelweiss_000.html
While filming PENAIR in Alaska JustPlanes went out on a very special flight to film the Saab 340 and Sw. Metro over a beautiful Alaska backdrop! For the full 3 hour film visit http://www.worldairroutes.com/Penair.html
JustPlanes spent a week filming SRILANKAN. One of the routes covered is the Colombo was the Airbus A330 Colombo Bangkok Hong Kong. For the full 275min film visit http://www.worldairroutes.com/Srilankan.html
In the cockpit of the AIR ICELAND Dash 8 fleet for 10 flights in the cockpit. Find the nearly 5 hour film at http://www.worldairroutes.com/airiceland.html