No, bird houses do not require a perch for birds to use. Perches are not necessary for birds to enter or use a bird house.
No, bird houses are only for birds to nest in. You will need to get a bird feeder to feed the birds with.
Great Question! Birds are very picky. Bird houses should have a hole in them the size for the bird to barely fit into. Small birds like very small bird houses with very small holes. Larger birds like bird houses which have medium size holes, but much room inside. Some birds, like the black martin like to have a long approach path to their house, so their bird house must be on a very tall pole high above everything or they will not use it. Some birds just take what they can get. If you have a bird feeder and you get mostly little birds, hang a couple little bird houses in a nearby tree. If you want larger birds put their larger house in your back yard, hanging many size houses or too many bird houses in one tree I have found tends to leave empty houses. Birds are very social, but they are not like people, they do not like overcrowded homes.
perch means to sit or relax on some kind of object just like a bird perch or sits on a branch that was easy
A stick, pole, or bar to alight, rest, or cause to rest on or as if on a perch the bird perched on the branch.
A Perch is a type of fish.
It depends entirely on what type of bird it is. Some birds perch right on the grass and some live on cliffs with no grass in sight, it really depends what the bird needs.
A perch.
Perchant Perch"ant\, n. [F.] A bird tied by the foot, to serve as decoy to other birds by its fluttering.
Electricity is a "good" traveler and won't take a detour through the birds.
The plural of perch, when referring to a bird's perch, is perches. The plural of perch, when referring to the fish, remains perch.
Birds like having a lookout point. If a bird lands on your head, it may think you make the perfect perch to see the going ons around them. If you mean a 'pet' bird, it could also just be the bird's desire to be close to you, as birds do form attachments to their owners.
A bird table is a an outdoor fixture that typically has some sort of perch or housing to be used by birds. These products can be found at a number of retail locations and online stores.