Dratini is found in the safari zone use a super rod in Area 1 to find it.
sneasel can be found in leafgreen at icefall cave on four island, gligar can be found in the johto area of the safari zone in Pokemon emerald.
You can't capture teddiursa in leafgreen but in emerald you can in a special johto area of the safari zone after beating the Pokemon league you can enter this area. Also trade the purified teddiursa from Pokemon xd gale of darkness to leafgreen or get the purified ursaring from Pokemon colosseum then breed it in leafgreen to get teddiursa.
Pikachu can be found in the first area of the safari zone.
you find kangaskhan in area 2 of the safari zone in Pokemon leaf Green ... not sure in fire red sorry
Dratini is found in the safari zone use a super rod in Area 1 to find it.
Safari Zone Area 2 (1%)
Usually at the safari zone at the central area.
sneasel can be found in leafgreen at icefall cave on four island, gligar can be found in the johto area of the safari zone in Pokemon emerald.
Go to Area 3 of the Safari Zone. In the grass there is a 4% chance that when a Pokemon appears it will be Tauros.
At the safari zone (area 1 and 3) and it's rare.
In the secret house in the safari zone its in area 3.
You can't capture teddiursa in leafgreen but in emerald you can in a special johto area of the safari zone after beating the Pokemon league you can enter this area. Also trade the purified teddiursa from Pokemon xd gale of darkness to leafgreen or get the purified ursaring from Pokemon colosseum then breed it in leafgreen to get teddiursa.
It's found in the last area in the Safari Zone in an item ball.The Gold Teeth are near the Secret House, Where you can get HM03 (Surf) (They are both in the Safari Zone, Fuchsia City)Good Luck!
Kangaskhan will be found in Area 1 of the safari zone.
Pikachu can be found in the first area of the safari zone.
you find kangaskhan in area 2 of the safari zone in Pokemon leaf Green ... not sure in fire red sorry