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The yellow cardinal (Gubernatrix cristata) is a species of South American bird in the tanager family Thraupidae. It is the only member of its genus, Gubernatrix.
It is found in Argentina, Brazil, Paraguay, and Uruguay. Its natural habitats are dry savanna, temperate shrubland, subtropical or tropical moist shrubland, and temperate grassland. It is threatened by habitat loss and from pet trade trappers for sale as exotic pets. Males are trapped at a higher rate than females, and the yellow cardinal is considered endangered due to the constant entrapment. Countering woody plant encroachment can contribute to habitat restoration.
There was a study conducted that looked at the vocalization of the yellow cardinal in its habitat. It was found that there was some variation with the diuca finch.
The current global population of Gubernatrix cristata is between 1000 and 2000. Studies have shown that there are some genetic differences between different populations. Another study has shown that the yellow cardinal presents plasticity in song production, with small differences in song among four different populations.
