A few years ago I bought an eagle. Not a live one - but a very well designed kite made of a special paper that doesn't tear. It's life size, it's strung from a short fish
line and in 3 Kms of wind
it starts to fly. In about 7 Kms of wind
it flaps it's wings and looks amazingly real. It also swoops and dives. I purchased it online thru jackite.com and you can get any number of birds of prey. It was about $100.00. Not cheap
but it works amazingly well. One tip - buy the assembled version. Although its tempting to save 10.00 for the assembly it's a pain in the ass, took 3 days (drying time between steps) and cost more than $15 in additional supplies. The assembled version is shipped in a tube. It's also a conversation starter. I bought 2. The first unassembled and the 2nd assembled. I have no interest in the company but I am a satisfied customer. Cheers,
PS. I started a thread called "Bird Poop - Who needs it?" some years ago reporting on my other efforts (netting) and providing more details on the kite.