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.
1 Traditionally, a patio at the size mentioned will cost roughly $2,000 to $4,000. 2  The resale value of this update would hold at the high-end of $3,200, or an 80% return on investment.3  The above figures place the patio installation at $21 per square foot.or the patio installation, the typical costs include: 1  According to PaveTech, the average concrete patio will cost around $700 using pavers and doing all of the work independently. 2  The above figures place the patio installation at $21 per square foot.