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.
Simple concrete patio costs. A fairly small and simple concrete patio measuring 10 feet by 20 feet costs $1,000 to $2,000 as of 2010, according to the website Cost Helper. Although expensive for such a small area, this price includes professional site preparation, labor and concrete costs.