Keep an eye on them, but I'm not worried right now.
Granted this isn't the best photo, but the EE looks like it has female-specific coloration
Aside from the little bit of red feathering that appears to be coming in on the EE (usually always means cockerel) I don't think you have anything to worry about. I wouldnt stress about the EE either, just speculation.... but keep an eye on those feathers!
@fluffycrow will be here shortly to tell me I'm wrong
Granted this isn't the best photo, but the EE looks like it has female-specific coloration