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.
For instance, female House Wrens (which incubate without help from the males) sat on the eggs for periods averaging 14 minutes when the temperature was 59 degrees F (15 degrees C), but an average of only 7.5 minutes when it rose to 86 degrees F (30 degrees C).