Here’s a NOTAM from late this afternoon for Iroquois Falls, Ontario (CNE4):
UACN10 CYXU 202005 YZ UA /OV CNE4 /TM 2005 /FL000 /TP BE10 /RM FLOCKS OF GULLS ON RUNWAY - HAD TO OVERSHOOT AND TRY AGAIN. GULLS RELUCTANT TO MOVE AWAY FROM RWY
I can almost hear the King Air pilot’s frustration, but it’s still hard not to laugh.
Land and Hold Short 
A few months back, I saw a pirep describing a flock of “one million birds” in the area. I’ve wondered how the pilot came up with that estimate.