This is the first time we have heard any attempt at loud clucking and crowing from our chicks. They are approximately 8 weeks old. Please check out the video on YouTube here: Also you can see the chicks anytime on my live Chicken Cam! Check out my other post, click the link, type in the username and password and enjoy. https://www.backyardchickens.com/t/735807/chicken-cam . Thanks guys! Let me know if there are any problems with the links.