Good genes theory: starlings
{"Image DocumentName": "Good genes theory: starlings", "Image ImageDescription": "Starlings (spreeuwen): males that sing at a higher rate have a stronger immune response measured by the swelling of a foreign chemical into their wings. Since females prefer males with high song rates they could be acquiring mates with strong immune systems, which will also be passed on to their offspring.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}