The Barred Parakeet, also known as the Lineolated Parakeet or Catherine Parakeet, is a diminutive parrot with a predominantly green plumage, adorned with multiple black and dark green stripes or bars. This avian jewel is further distinguished by its pale-horn coloured beak, a shoulder of black on its wings, and a dark green tail. The under-side of its wings reveals a hint of blue, and its legs are a delicate pink. The bird's irises are a deep, dark brown.
Adult Barred Parakeets measure approximately 16 cm (6.5 in) in length and weigh between 42 to 52 grams. The species exhibits sexual dimorphism, with males sometimes having more pronounced black stripes than females, although this is not a reliable indicator for sexing. Juveniles present less-marked dark stripes, which intensify as they mature. The two subspecies, B. l. lineola and B. l. tigrinus, can be differentiated by the prominence of their dark stripes, with the latter having more conspicuous markings.
These parakeets inhabit highland forests, where they can be found up to an elevation of roughly 3,300 m (2.1 mi) above sea level. They are known to be tolerant of cold temperatures and have been observed engaging in snow baths.
The Barred Parakeet has a disjunct distribution, ranging from southern Mexico to Panama, across the Andes from western Venezuela to southern Peru and Bolivia, as well as the Santa Marta Mountains in Colombia and the Venezuelan Coastal Range.
In the wild, Barred Parakeets congregate in groups ranging from six to thirty individuals, though larger flocks of up to 150 have been recorded. They exhibit a calm disposition and are known for their unique resting posture, lying almost horizontally with their heads aligned with their tails. Their vocalizations are typically soft and not piercing to the ear.
The calls of the Barred Parakeet are characterized by a quiet mumbling, which is not high-pitched or piercing, making them suitable for those who prefer less noisy avian companions.
The breeding of these parakeets involves clutches of two to four eggs, which are incubated for about 18–21 days. The fledglings leave the nest approximately five weeks after hatching.
While there are no similar species mentioned, the Barred Parakeet can be distinguished from other parakeets by its unique barred plumage and size.
Barred Parakeets in the wild feed on fruit, dried and germinated seeds, and insect larvae. They are known to forage and should be encouraged to do so in captivity to prevent boredom and behavioral issues.
The Barred Parakeet is currently listed as Least Concern on the IUCN Red List, with a large and stable population.
In captivity, these parakeets are cherished for their quiet and even-tempered nature. They are also appreciated for the variety of colour mutations available. They have an average lifespan of about 10 years, with some individuals living up to 15 years. They are known to enjoy bathing and misting, often hanging upside down and spreading their wings to catch the water. They also have a peculiar fondness for burrowing into clothing, where they may even fall asleep.