Calculators4 min
Air Purifier Sizing for a Bird Room: CADR by the AHAM Rule and by Air Changes
Two ways to size an air cleaner for a bird room, AHAM's two-thirds rule and the air-changes formula, with examples and the limits of CADR.
All guides
32 buying guides, comparisons, how-tos and calculators.
Popular topicsBar Spacing 11Flight Cage 6Cage Size 4Stainless Steel 4Large Parrots 3Materials 3Zinc 3
32 guides· Page 1 of 2
Guides
Laws & Data4 min
Are Quaker Parrots Legal in Your State? Monk Parakeet Laws, All 50
Twelve states ban Quaker parrots as pets, three require a permit and three attach conditions. Check your state, with the regulation linked.
Feeding & Care Gear7 min
Best Air Purifiers for Bird Dander (2026): Sized by CADR, Not by the Box
Three AHAM-rated HEPA purifiers sized to a bird room by CADR, the 2/3 rule applied to each, and the big-number units left out for publishing no CADR.
Feeding & Care Gear9 min
Best Bird Cage Cleaning Supplies (2026): Enzyme Sprays, Liners, Baths and Covers
Nine cleaning products judged on label directions, liners by size and count, baths and covers, plus the wash-rinse-disinfect-dry sequence from the sources.
Cages by Bird8 min
Best Bird Cages for African Greys (2026): Against the 40 x 30 x 60 Minimum
Seven grey and Amazon cages against the Merck 40 x 30 x 60 and VCA 36 x 36 x 48 minimums at 3/4 to 1-inch spacing, with where each falls short.
Cages by Bird7 min
Best Bird Cages for Cockatiels (2026): Measured Against the Vet Minimums
Six cockatiel cages against the Merck and VCA minimums, with the honest note that most 5/8-inch cages are wider-barred than Merck's figure.
Cages by Bird7 min
Best Bird Cages for Conures (2026): Where Each Cage Falls Short of 36 x 24 x 48
Six conure cages against the Merck 36 x 24 x 48 and VCA 36 x 36 x 36 minimums, with the honest finding that most retail conure cages fall short.
Cages by Bird7 min
Best Bird Cages for Lovebirds (2026): Half-Inch Bars and Room to Fly
Seven lovebird cages at 1/2 inch or less, measured against the Merck and VCA minimums, with the cages that miss on depth called out.
Cages by Bird8 min
Best Bird Cages for Macaws (2026): 48 x 36 x 66 and the Cages That Get There
Seven macaw cages against the Merck 48 x 36 x 66 and VCA 48 x 60 x 60 minimums, with wire gauge, locks and the small-macaw row covered.
Cages by Bird7 min
Best Bird Cages for Multiple Birds (2026): Flight Cages and Divided Cages
Six cages for pairs and flocks, sized by RSPCA's three-wingspans rule and the Merck minimums, with the divided cages for birds that cannot share.
Cages by Bird8 min
Best Bird Cages for Parakeets (2026): Flight Cages That Meet the Minimums
Seven budgie cages measured against the Merck 20 x 20 x 30 and VCA 12 x 12 x 24 minimums and the 0.5-inch bar spacing, with who should skip each.
Feeding & Care Gear7 min
Best Bird Food and Water Dispensers (2026): Stainless Cups, Crocks and Bottles
Nine feeders and waterers from $7 stainless cups to a $41 glass bottle, judged on material, mounting and cleaning against VCA's and PetMD's dish advice.
Perches & Stands7 min
Best Bird Perches (2026): Natural Wood, Rope and Platforms, Sized to the Foot
Eight perches and platforms judged on diameter, wood and mount against the avian rules: mixed diameters, toes three quarters round, no sandpaper.
Perches & Stands7 min
Best Bird Play Stands (2026): Floor Stands, Tabletop Gyms and Wooden Playgrounds
Six play stands from a $26 tabletop gym to a 59-inch floor stand, compared on size, perches, cups and tray, with the case for out-of-cage time.
Perches & Stands8 min
Best Bird Travel Carriers (2026): Wire Cages, Stainless-Mesh Bags and Backpacks
Eight carriers from a $16 soft bag to Prevue's wire travel cages, judged on spacing, chew resistance and VCA's rules: seat belt, no water dish, never loose in the car.
Cages by Bird7 min
Best Cages for Finches and Canaries (2026): Long, Low and Close-Barred
Seven finch and canary cages measured against VCA's 1 x 1 x 2 foot minimum, with the bar spacing question answered and the long-low shape explained.
Aviaries & Flight Cages6 min
Best Flight Cages for Birds (2026): Wide Cages Small Birds Can Fly In
Seven flight cages compared on flight length, bar spacing, gauge and price, from a $43 stackable box to an 80-inch parrot flight.
Feeding & Care Gear10 min
Best Full-Spectrum and UVB Bird Lights (2026): What the Vets Say, Then the Lamps
What Merck, the AAV and Lafeber's vets say about UVB for birds, then five lamps and bulbs judged on stated output, fixture, distance guidance and replacement.