70birds Forum

It's hard to say. It can be caused by competing species (what diameter is the entrance hole?), parasites – mites, disease, cold weather if very late in the season. Are you referring to tree swallows? There is a website that has some good information on tree swallows and even newly developed dimensio...

Very nice. I like rustic like that and clearly birds do to. I’m not familiar with sassafras and was going to ask if it was a softwood, but I looked it up and discovered its roots are used for making root beer (didn’t know that), that it is very straight grained and it's one of the softer woods in th...

Ok, thanks for the email. I thought I was doing something wrong. Glad it's working now. And glad to see 50birds is back!