File extension

Hello everyone
I found a website called
*free 3d.com/3d-models
But because of their File extension
DXF; DWG; FBX And more . All sorts of I can not open the files
What should I do or can someone open them for me
Thank you
AVRAHAM


These are the models but only the pictures

Attached Images

	blue jay bird.jpg (23.7 KB)
	cardinal bird 2.jpg (21.9 KB)
	cardinal bird.jpg (21.1 KB)