Holly - Hexagonal Parakeet Aviary with Safety Porch. Made from 19 Gauge mesh suitable for parakeets. Size - Aviary, 6 feet diameter, approx. 8 feet high, Porch, 2 feet by 2 feet, 6 feet high. Also available with 16 gauge (suitable for parrots) £625. Delivery and erection can be arranged at extra cost.