Possible Clues:

• Birds which gather in murmurations in early evenings
• Birds with iridescent feathers
• Noisy birds with a gift for mimicry
• Birds known to mimic car alarms and human speech
• Celebrities will eat fish -- they flock together
• Sailor hangs around for birds
• Migratory songbirds
• Flying in the constellation of Pisces
• Birds the seaman chucks outside
• Al strings the birds along