Some bird species undertake shorter migrations, travelling only as far as is required to avoid bad weather or obtain food. Irruptive species such as the boreal finches are one such group and can commonly be found at a location in one year and absent the next.
Interior Doors. The height for all passage doors must be a minimum of 80 inches and the standard width sizes for interior doors are 24â, 28â, 30â, 32â and 36â. The minimum recommended door width to allow persons with disabilitiesâ to pass through is 36 inches.
The original Amber Room had 10 socket pieces each about 3 feet tall and as wide as the corresponding wall pieces. There have been 12 wall pieces each 13 feet tall resulting in a total height of 16 feet. The width of the wall and socket pieces was between 3 feet and 5 feet.