It’s an Omelet Eglu. Openings are small, we have a 5 ft solid vinyl privacy fence & our dog has access to yard thru dog door 24/7. She is a terrier & guards her yard. Sparrows etc cannot get thru the holes in the run.
My chickens arrived. Picked them up at the post office this morning. They are 6 week old pullets. Silkie/ Easter Egger cross. So far they just seem kind of clueless. Poor babies. I just went out & put them in the Eglu cube & shut the door. They weren’t to happy about it. I had to catch them...