Feeder (1) for animals, especially suitable for pigs, comprising a hopper (2) with a lower mouth (2a) for the exit of the feed or grain used to feed the animals, a feeder plate (3) arranged in its lower part that collects the food that falls by gravity from the interior of the hopper (2), and means for regulating the food supplied, characterized in that said regulation means comprise - a distributor support (7) provided with a tubular upper portion (7a) coupled with adjustment to the lower mouthpiece (2a) of the hopper (2), and a lower portion (7b) divided into two extensions, like legs (8), essentially vertical, each one arranged so as to open onto a respective feeding plate (3); and - two sliding pipes (9), each telescopically coupled to a leg (8), each provided with a lower outlet (9a) for unloading the food, and each sliding pipe (9) being independently operable, so that the telescopic displacement of each sliding spout (9), between an upper position of maximum opening and a lower position of minimum opening or closing, allows to regulate the effective height of the lower discharge outlet (9a) with respect to the area of the feeding bowl arranged immediately below. (Machine-translation by Google Translate, not legally binding)