CU of thick-billed murre chick under adult's wing, adult has head tucked just under wing as well, both birds are dirty, looking like they've really been through it, very motherly shot. Slow motion MS of thick-billed murre chick jumping from cliff, adult seems alarmed, vocalizing and quickly following, other murres on ledge watching. Slow motion MS of thick-billed murre vocalizing to chick on edge of cliff, encouraging chick to jump, chick doing jump, adult following, other murres on ledge watching. (LETTERBOXED MATERIAL) (40898)