Bald Eagles are about 3 feet (90 centimeters) from their head to their tail and before the nestlings leave the nest, they become as large as their parents and need a lot of room for their 6 foot (1.8 metre) wingspan.
The overall cost of a concrete patio depends on the design and size of the patio. Prices usually start at around $6 per square foot up to $10 per square foot for a basic design without any colors or special designs.
Cost of Concrete Patio. 1  Basic Concrete Patio Costs: $6 - $10/Sf. 2  Custom Concrete Patio Costs: $10 - $15/sf. 3  Advanced Or Complex Designs: $15/sf or more.  Average Patio Costs: $2,800 - $4,000.