At first glance, Pyrrhuloxia (Cardinalis sinuatus) may be mistaken for northern cardinal. And while it is of the order Passeriformes and the family Cardinalidae, it is indeed a different species.
They are related, but the Pyrrhuloxia has a yellow bill which is similar to that found on a parrot and the northern cardinal has an orange bill that is pointy.
Pyrrhuloxia are cheerful singers found in the American southwest and northern Mexico. The love desert scrub and are very social (in winter) where you will find them in large flocks of up to 1000 birds, looking for food. During breeding season, they are anything but social and are very vocal and territorial.
When a male Pyrrhuloxia’s and a male cardinal’s territories overlap, each defends its territory vigorously from members of its own species, but they don’t seem to fight with each other.
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