captive Northern Cardinal x Pyrrhuloxia hybrid, near Tuscon (Arizona, USA), 7th December 2010 - copyright Steve Mlodinow
(photo ID: 2215)
Three different examples of this hybrid here showing a mix of features from either parent. According to the Handbook of Avian Hybrids of the World (McCarthy, 2006) this hybrid has occurred in the wild in Arizona as well as at the Arizona-Sonora Desert Museum where I think these photos were taken.
captive Northern Cardinal x Pyrrhuloxia hybrids, near Tuscon (Arizona, USA), 7th December 2010 - copyright Steve Mlodinow
(photo IDs: 2213-2214)
Northern Cardinal Cardinalis cardinalis
Pyrrhuloxia Cardinalis sinuatus