Hello, and welcome to BYC! I'm so glad you decided to join our friendly and helpful community. I'm assuming you are looking for a guard goose or flock protector since you mentioned no rooster?
Here's a great article on it
https://www.backyardchickens.com/ar...d-goose-and-why-you-should-not-get-one.77508/
Here's a great article on it
https://www.backyardchickens.com/ar...d-goose-and-why-you-should-not-get-one.77508/
We're so happy you've decided to join us 
