My cat does this as well when a bird is close by.....they think they are going native with the lingo. Unless he is taking a course on the internet while I am out, my bird is just pretending to speak beak talk. I pretend I don't notice....
the football field many acres are description below; A football field (including the two end zones) is 360 feet long and 160 feet wide for a total of 57,600 square feet. When you take away the two 30-foot-long end zones at each end, the field is 48,000 square feet, making an acre about 91% of the field.
An acre is traditionally a field that could be plowed in one day using oxen. It was 220 yards long and 22 yards wide, so its area is 22 x 220 = 4840 square yards. Also, an acre equals 43,560 square feet. A square yard equals 9 square feet. An acre equals 4840 square yards (43,560 divided by 9)