Realistic polygonal model of an eagle based on quad topology.
The construction mesh has 6642 polys so you can work at low res. level and subdivide it to a desired mesh density for rendering.For a high res image you can download the preview rendering.

This model is available in following file formats:
max6
3ds
.obj
.mb(maya6)
.xsi 3.5
.c4d 9
.fbx
.blend 2.57b