From TibiaWiki

Update 8.54

Terror Bird, 38 kills.

	Item	Amount	Percentage	Kills to get 1
	Gold Coin	278	731.58%	1
	Meat	23	60.53%	2
	Worm	6	15.79%	7
	Terrorbird Beak	5	13.16%	8
	Health Potion	1	2.63%	38
	empty	1	2.63%	38

See also: Terror Bird, Loot, Loot Statistics (Tibia ML).
Average gold: 7.32

Before Update 8.54

Terror Bird, 37 kills.

	Item	Amount	Percentage	Kills to get 1
	Empty	4	10.81%	10
	Gold Coin	247	667.57%	1
	Worm	15	40.54%	3
	Meat	12	32.43%	4
	Health Potion	1	2.7%	37
	Feather Headdress	1	2.7%	37

See also: Terror Bird, Loot, Loot Statistics (Tibia ML).
Average gold: 6.68