Caffeine content can range from as much as 160 milligrams in some energy drinks to as little as 4 milligrams in a 1-ounce serving of chocolate-flavored syrup. Even decaffeinated coffee isn't completely free of caffeine. Caffeine is also present in some over-the-counter pain relievers, cold medications, and diet pills.
wren. noun. 1  Any of various small brownish songbirds of the family Troglodytidae, having rounded wings, a slender bill, and a short, often erect tail. 2  All species but one, which is Eurasian, are found only in the Americas. 3  Any of various similar unrelated songbirds.
Typical Voice. 1  Size & Shape The Cactus Wren is a large chunky wren with a long heavy bill, a long, rounded tail, and short, rounded wings. 2  Color Pattern The Cactus Wren is a speckled brown bird with bright white eyebrows that extend from the bill, across and above their red eyes, to the sides of the neck. They have pale cinnamon sides and a white chest with dark speckles.