FIRST DOWN. All progress in a football game is measured in yards. The offensive team tries to get as much yardage as it can to try and move closer to the opponent's end zone. Each time the offense gets the ball, it has four downs, or chances, in which to gain 10 yards.
The largest eagle species in the world is the Pithecophaga jefferyi or Philippine eagle. This species of eagle is on the critically endangered list due to the rapid decline in habitat, which is the tropical rainforest. Keep Learning.
Eagles with the largest wingspan. 1  White-tailed eagle (Haliaeetus albicilla) â 218.5 cm (7ft 2in) / max: 253 cm (8.3 ft) 2  Stellerâs sea eagle (Haliaeetus pelagicus) â 212.5 cm (7 ft) / max: 250 cm (8ft 2in) 3  Wedge-tailed eagle (Aquila audax) â 210 cm (6ft 11in) / max: 284 cm (9ft 4in)