ML597590031
American Herring x California Gull (hybrid) Larus smithsonianus x californicus
Contribuidor
Anonymous eBirber Archivos multimedia de este(a) colaborador(a)
Fecha
Localidad
Lincoln Park--Fullerton Point
Cook, Illinois, United States
Archivos multimedia de esta localidad Listado ilustrado- Edad
- No especificado
- Sexo
- No especificado
Detalles de la observación
A returning individual from last year, confirmed by iris pattern and mirrors on p9 different in each wing. Best guess was and is a California Gull with Herring Gull influence, with recent hybrid ancestry made more likely by mix of colors in orbital ring and pale-speckled iris. Noting that iris, leg color, and wingtip pattern are basically identical to last year, supporting that these features are not likely to be influenced by immaturity.
Información técnica
- Dimensiones
- 4472 pixels x 3069 pixels
- Tamaño original del archivo
- 6.11 MB