Traveller - Mongoose 1st Ed.

Systems

Generate System
Generate Subsector | (Rift sectors) (Sparse sectors) (Spiral arms) (Densely populated)
Generate Sector | (Rift sectors) (Sparse sectors) (Spiral arms) (Densely populated)
Generate names only (1000)

Animal Encounters (100)

Clear Plain or Prairie Desert (hot or cold) Hills, Foothills 
Mountain Forest Woods Jungle 
Rainforest Rough, Broken Swamp, Marsh Beach, Shore 
Riverbank Ocean shallows Open ocean Deep ocean 

Desert (hot or cold)

1TypeSTRDEXENDINTINSTPCK
Killer
(Carnivore Walker)
31130105
Melee (Thrasher) 1, Recon 2
Thrasher (3d6), Armour (2), Number Encountered: 1d6
 
2TypeSTRDEXENDINTINSTPCK
Pouncer
(Carnivore Flyer)
171064
Melee (Thrasher) 0, Stealth 1, Recon 1, Survival 1, Athletics (coordination) 2
Thrasher (3d6), Armour (2), Number Encountered: 1d6
 
3TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
311411012
Melee (Hooves) 0, Survival 1, Athletics (coordination) 3
Hooves (1d6), Armour (4), Number Encountered: 4d6
 
4TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Flyer)
1110105
Melee (Thrasher) 0, Survival 1, Athletics 0
Thrasher (3d6), Armour (1), Number Encountered: 1d6
 
5TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
542059
Melee (Hooves) 3, Survival 1
Hooves (1d6), Armour (4), Number Encountered: 3d6
 
6TypeSTRDEXENDINTINSTPCK
Gatherer
(Omnivore Walker)
2930127
Melee (Claws) 1, Stealth 1, Survival 0, Recon 0
Claws (3d6), Armour (0), Number Encountered: 2d6
 
7TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
411601212
Survival 1, Recon 2, Athletics (endurance) 1
Armour (2), Number Encountered: 4d6
 
8TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
83110912
Melee (Teeth) 2, Recon 0, Athletics (endurance) 3
Teeth (1d6), Armour (3), Number Encountered: 4d6
 
9TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
13890612
Melee (Horns) 2
Horns (2d6), Armour (2), Number Encountered: 4d6
 
10TypeSTRDEXENDINTINSTPCK
Reducer
(Scavenger Flyer)
1410615
Melee (Teeth) 1, Melee (Horns) 2, Survival 1, Recon 2
Teeth (1d6), Horns (1d6), Armour (3), Number Encountered: 5d6
 
11TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
13101211
Survival 4, Recon 0, Athletics (coordination) 2
Armour (2), Number Encountered: 3d6
 
12TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
31061913
Melee (Teeth) 2, Athletics 0, Recon 3
Teeth (1d6), Armour (0), Number Encountered: 4d6
 
13TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Flyer)
1310145
Melee (Claws) 0, Survival 0, Recon 1, Athletics (coordination) 1, Athletics (endurance) 1
Claws (3d6), Armour (4), Number Encountered: 1d6
 
14TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
14101110
Melee (Horns) 5
Horns (1d6), Armour (3), Number Encountered: 3d6
 
15TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Flyer)
1610134
Melee (Claws and Teeth) 0, Survival 1, Recon 0
Claws and Teeth (3d6), Armour (3), Number Encountered: 1d6
 
16TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
21220913
Melee (Horns) 0, Recon 4, Athletics (endurance) 2
Horns (1d6), Armour (3), Number Encountered: 4d6
 
17TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
416120149
Melee (Horns) 2, Survival 3, Recon 0
Horns (1d6), Armour (4), Number Encountered: 3d6
 
18TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
5950910
Survival 2, Recon 2, Athletics (endurance) 1
Armour (2), Number Encountered: 3d6
 
19TypeSTRDEXENDINTINSTPCK
Reducer
(Scavenger Flyer)
151047
Melee (Teeth) 2, Melee (Claws and Teeth) 1, Survival 2
Teeth (3d6), Claws and Teeth (3d6), Armour (3), Number Encountered: 2d6
 
20TypeSTRDEXENDINTINSTPCK
Siren
(Carnivore Walker)
81270106
Melee (Thrasher) 0, Deception 1, Recon 0
Thrasher (3d6), Armour (1), Number Encountered: 2d6
 
21TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Flyer)
111166
Melee (Thrasher) 0, Survival 0, Recon 3
Thrasher (3d6), Armour (2), Number Encountered: 2d6
 
22TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
1210811
Melee (Hooves and Teeth) 0, Survival 0, Athletics 0, Recon 3
Hooves and Teeth (1d6), Armour (3), Number Encountered: 3d6
 
23TypeSTRDEXENDINTINSTPCK
Gatherer
(Omnivore Walker)
8169087
Melee (Thrasher) 1, Stealth 2, Survival 1
Thrasher (3d6), Armour (3), Number Encountered: 2d6
 
24TypeSTRDEXENDINTINSTPCK
Hijacker
(Scavenger Walker)
8144069
Melee (Teeth) 1, Melee (Hooves and Teeth) 1
Teeth (1d6), Hooves and Teeth (1d6), Armour (1), Number Encountered: 3d6
 
25TypeSTRDEXENDINTINSTPCK
Intermittent
(Herbivore Walker)
81270311
Survival 0, Recon 1, Athletics (coordination) 1
Armour (4), Number Encountered: 3d6
 
26TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
573099
Melee (Horns) 0, Recon 3
Horns (1d6), Armour (3), Number Encountered: 3d6
 
27TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
62311215
Melee (Hooves) 1, Survival 3, Athletics 0
Hooves (1d6), Armour (3), Number Encountered: 5d6
 
28TypeSTRDEXENDINTINSTPCK
Siren
(Carnivore Walker)
151043
Melee (Thrasher) 0, Deception 0, Athletics 0, Recon 1
Thrasher (3d6), Armour (0), Number Encountered: 1d6
 
29TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
1610117
Melee (Thrasher) 2, Survival 1, Athletics (coordination) 2
Thrasher (3d6), Armour (0), Number Encountered: 2d6
 
30TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
1110810
Melee (Claws) 1
Claws (2d6), Armour (4), Number Encountered: 3d6
 
31TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
16501210
Survival 1, Recon 0, Athletics (endurance) 1
Armour (1), Number Encountered: 3d6
 
32TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
1310149
Melee (Hooves) 0, Athletics (coordination) 1
Hooves (1d6), Armour (3), Number Encountered: 3d6
 
33TypeSTRDEXENDINTINSTPCK
Hijacker
(Scavenger Walker)
471079
Melee (Teeth) 4, Melee (Hooves) 0, Survival 0, Athletics 0
Teeth (1d6), Hooves (1d6), Armour (4), Number Encountered: 3d6
 
34TypeSTRDEXENDINTINSTPCK
Carrion-Eater
(Scavenger Flyer)
1411912
Melee (Teeth) 2, Melee (Stinger) 2, Recon 0, Athletics (endurance) 1
Teeth (2d6), Stinger (2d6), Armour (3), Number Encountered: 4d6
 
35TypeSTRDEXENDINTINSTPCK
Reducer
(Scavenger Walker)
61361911
Melee (Teeth) 1, Melee (Stinger) 1, Survival 0
Teeth (2d6), Stinger (2d6), Armour (4), Number Encountered: 3d6
 
36TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
211301010
Melee (Horns) 2, Survival 1
Horns (1d6), Armour (0), Number Encountered: 3d6
 
37TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
4751611
Melee (Horns) 1, Recon 0, Athletics (endurance) 2
Horns (1d6), Armour (4), Number Encountered: 3d6
 
38TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
3122069
Survival 3, Recon 2, Athletics (endurance) 1
Armour (2), Number Encountered: 3d6
 
39TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Walker)
41650810
Melee (Thrasher) 1, Survival 3, Athletics (coordination) 2
Thrasher (3d6), Armour (2), Number Encountered: 3d6
 
40TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
5950815
Melee (Hooves and Teeth) 1, Athletics 0, Recon 0
Hooves and Teeth (1d6), Armour (3), Number Encountered: 5d6
 
41TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
1122076
Melee (Hooves) 2, Survival 1, Recon 3
Hooves (1d6), Armour (2), Number Encountered: 2d6
 
42TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
71214088
Melee (Thrasher) 0, Survival 1, Recon 0, Athletics (coordination) 2, Athletics (endurance) 1
Thrasher (3d6), Armour (3), Number Encountered: 2d6
 
43TypeSTRDEXENDINTINSTPCK
Gatherer
(Omnivore Walker)
91360414
Melee (Thrasher) 5, Stealth 1
Thrasher (2d6), Armour (1), Number Encountered: 4d6
 
44TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Flyer)
1310125
Melee (Thrasher) 1, Survival 0, Recon 0, Athletics (endurance) 1
Thrasher (3d6), Armour (4), Number Encountered: 1d6
 
45TypeSTRDEXENDINTINSTPCK
Reducer
(Scavenger Walker)
1310811
Melee (Teeth) 0, Melee (Stinger) 4
Teeth (2d6), Stinger (2d6), Armour (0), Number Encountered: 3d6
 
46TypeSTRDEXENDINTINSTPCK
Reducer
(Scavenger Walker)
3610413
Melee (Teeth) 2, Melee (Claws) 0
Teeth (2d6), Claws (2d6), Armour (2), Number Encountered: 4d6
 
47TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
181083
Melee (Claws) 2, Survival 2, Athletics (coordination) 2
Claws (3d6), Armour (3), Number Encountered: 1d6
 
48TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
116101812
Survival 0, Recon 0, Athletics (coordination) 1
Armour (1), Number Encountered: 4d6
 
49TypeSTRDEXENDINTINSTPCK
Intermittent
(Herbivore Flyer)
15101013
Melee (Stinger) 2, Recon 2
Stinger (2d6), Armour (2), Number Encountered: 4d6
 
50TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
6103177
Melee (Thrasher) 0, Survival 1, Recon 1, Athletics (endurance) 2
Thrasher (3d6), Armour (3), Number Encountered: 2d6
 
51TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
14101110
Survival 3, Recon 1, Athletics (endurance) 2
Armour (3), Number Encountered: 3d6
 
52TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Walker)
91470910
Melee (Claws) 2, Survival 0, Recon 0, Athletics (endurance) 1
Claws (3d6), Armour (2), Number Encountered: 3d6
 
53TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
11111314
Melee (Hooves and Teeth) 2, Survival 2
Hooves and Teeth (1d6), Armour (3), Number Encountered: 4d6
 
54TypeSTRDEXENDINTINSTPCK
Intimidator
(Scavenger Flyer)
121074
Melee (Teeth) 0, Melee (Stinger) 0, Persuade 0, Recon 0, Athletics (coordination) 1
Teeth (2d6), Stinger (2d6), Armour (2), Number Encountered: 1d6
 
55TypeSTRDEXENDINTINSTPCK
Gatherer
(Omnivore Walker)
131094
Melee (Claws) 1, Stealth 1, Athletics (endurance) 2
Claws (3d6), Armour (0), Number Encountered: 1d6
 
56TypeSTRDEXENDINTINSTPCK
Killer
(Carnivore Walker)
12206075
Melee (Thrasher) 2, Survival 1, Recon 1
Thrasher (4d6), Armour (2), Number Encountered: 1d6
 
57TypeSTRDEXENDINTINSTPCK
Eater
(Omnivore Walker)
165055
Melee (Claws) 6
Claws (3d6), Armour (0), Number Encountered: 1d6
 
58TypeSTRDEXENDINTINSTPCK
Intimidator
(Scavenger Walker)
8133174
Melee (Teeth) 0, Melee (Claws) 0, Persuade 2
Teeth (2d6), Claws (2d6), Armour (4), Number Encountered: 1d6
 
59TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
169140510
Melee (Thrasher) 0, Survival 0, Recon 2, Athletics (endurance) 3
Thrasher (4d6), Armour (2), Number Encountered: 3d6
 
60TypeSTRDEXENDINTINSTPCK
Killer
(Carnivore Walker)
81160136
Melee (Teeth) 0, Survival 0, Athletics (endurance) 1
Teeth (3d6), Armour (2), Number Encountered: 2d6
 
61TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
12101112
Survival 3, Athletics 0, Recon 3
Armour (2), Number Encountered: 4d6
 
62TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
13101310
Melee (Teeth) 1, Recon 0
Teeth (1d6), Armour (4), Number Encountered: 3d6
 
63TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
1610911
Melee (Teeth) 1, Recon 0, Athletics (coordination) 1
Teeth (1d6), Armour (0), Number Encountered: 3d6
 
64TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
31351129
Melee (Teeth) 2, Survival 3, Athletics (endurance) 1
Teeth (3d6), Armour (2), Number Encountered: 3d6
 
65TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
1511710
Survival 1, Recon 0, Athletics (coordination) 1
Armour (2), Number Encountered: 3d6
 
66TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
131089
Survival 2, Athletics 0, Recon 2
Armour (2), Number Encountered: 3d6
 
67TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
11020713
Melee (Hooves) 2, Survival 1
Hooves (1d6), Armour (2), Number Encountered: 4d6
 
68TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
92070126
Melee (Thrasher) 2, Athletics (coordination) 2
Thrasher (3d6), Armour (2), Number Encountered: 2d6
 
69TypeSTRDEXENDINTINSTPCK
Siren
(Carnivore Walker)
574124
Melee (Thrasher) 0, Deception 0, Athletics 0, Recon 1
Thrasher (3d6), Armour (4), Number Encountered: 1d6
 
70TypeSTRDEXENDINTINSTPCK
Siren
(Carnivore Walker)
5850113
Melee (Thrasher) 2, Deception 0
Thrasher (3d6), Armour (2), Number Encountered: 1d6
 
71TypeSTRDEXENDINTINSTPCK
Killer
(Carnivore Walker)
10810108
Melee (Thrasher) 1, Survival 2, Athletics 0, Recon 0
Thrasher (3d6), Armour (1), Number Encountered: 2d6
 
72TypeSTRDEXENDINTINSTPCK
Pouncer
(Carnivore Flyer)
41561108
Melee (Thrasher) 1, Stealth 0, Recon 0, Athletics 0, Survival 0
Thrasher (3d6), Armour (4), Number Encountered: 2d6
 
73TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Flyer)
1610104
Melee (Stinger) 0, Survival 0, Athletics (coordination) 1
Stinger (2d6), Armour (4), Number Encountered: 1d6
 
74TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
283089
Melee (Teeth) 2, Athletics (endurance) 1
Teeth (1d6), Armour (2), Number Encountered: 3d6
 
75TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
1610815
Survival 0, Recon 1, Athletics (endurance) 1
Armour (1), Number Encountered: 5d6
 
76TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
61290610
Survival 1, Athletics 0, Recon 0
Armour (1), Number Encountered: 3d6
 
77TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
1411511
Melee (Hooves and Teeth) 3, Recon 3
Hooves and Teeth (1d6), Armour (2), Number Encountered: 3d6
 
78TypeSTRDEXENDINTINSTPCK
Carrion-Eater
(Scavenger Flyer)
161087
Melee (Teeth) 2, Melee (Claws) 0, Recon 1, Athletics (coordination) 1
Teeth (2d6), Claws (2d6), Armour (3), Number Encountered: 2d6
 
79TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
2740910
Melee (Horns) 1, Athletics 0
Horns (1d6), Armour (4), Number Encountered: 3d6
 
80TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
1610912
Melee (Horns) 1, Recon 0
Horns (1d6), Armour (3), Number Encountered: 4d6
 
81TypeSTRDEXENDINTINSTPCK
Intimidator
(Scavenger Walker)
151097
Melee (Teeth) 1, Melee (Stinger) 0, Persuade 1, Survival 1, Recon 0
Teeth (2d6), Stinger (2d6), Armour (1), Number Encountered: 2d6
 
82TypeSTRDEXENDINTINSTPCK
Siren
(Carnivore Walker)
16407-1
Melee (Thrasher) 2, Deception 1, Athletics (endurance) 2
Thrasher (3d6), Armour (0), Number Encountered:
 
83TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
15101111
Melee (Claws) 1, Survival 0, Athletics 0
Claws (2d6), Armour (1), Number Encountered: 3d6
 
84TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Walker)
688088
Melee (Thrasher) 1, Survival 2, Athletics 0, Recon 3
Thrasher (2d6), Armour (2), Number Encountered: 2d6
 
85TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
1310712
Survival 0, Recon 1, Athletics (endurance) 1
Armour (2), Number Encountered: 4d6
 
86TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
6630914
Melee (Hooves and Teeth) 3, Survival 2, Athletics 0
Hooves and Teeth (1d6), Armour (3), Number Encountered: 4d6
 
87TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Walker)
81370109
Melee (Claws) 2, Survival 0, Recon 0
Claws (2d6), Armour (1), Number Encountered: 3d6
 
88TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Flyer)
1711116
Melee (Thrasher) 1, Recon 1, Athletics (coordination) 3
Thrasher (3d6), Armour (0), Number Encountered: 2d6
 
89TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
31160106
Melee (Thrasher) 0, Survival 0, Athletics (coordination) 1, Athletics (endurance) 1
Thrasher (3d6), Armour (2), Number Encountered: 2d6
 
90TypeSTRDEXENDINTINSTPCK
Eater
(Omnivore Walker)
299077
Melee (Thrasher) 1, Athletics 0, Recon 1
Thrasher (2d6), Armour (2), Number Encountered: 2d6
 
91TypeSTRDEXENDINTINSTPCK
Reducer
(Scavenger Walker)
6660513
Melee (Teeth) 2, Melee (Claws) 1
Teeth (2d6), Claws (2d6), Armour (4), Number Encountered: 4d6
 
92TypeSTRDEXENDINTINSTPCK
Grazer
(Herbivore Flyer)
141098
Melee (Hooves) 5
Hooves (1d6), Armour (4), Number Encountered: 2d6
 
93TypeSTRDEXENDINTINSTPCK
Intimidator
(Scavenger Flyer)
151087
Melee (Teeth) 1, Melee (Claws) 0, Persuade 0, Survival 0, Athletics 0, Recon 1
Teeth (2d6), Claws (2d6), Armour (3), Number Encountered: 2d6
 
94TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Walker)
217201110
Melee (Thrasher) 0, Athletics (endurance) 2
Thrasher (3d6), Armour (1), Number Encountered: 3d6
 
95TypeSTRDEXENDINTINSTPCK
Chaser
(Carnivore Flyer)
181098
Melee (Thrasher) 1, Survival 1, Recon 0, Athletics (coordination) 1
Thrasher (3d6), Armour (3), Number Encountered: 2d6
 
96TypeSTRDEXENDINTINSTPCK
Hijacker
(Scavenger Flyer)
3310311
Melee (Teeth) 0, Melee (Thrasher) 0, Survival 0, Athletics (endurance) 1
Teeth (2d6), Thrasher (2d6), Armour (1), Number Encountered: 3d6
 
97TypeSTRDEXENDINTINSTPCK
Hunter
(Omnivore Walker)
5620119
Melee (Thrasher) 1, Survival 0, Recon 0
Thrasher (2d6), Armour (3), Number Encountered: 3d6
 
98TypeSTRDEXENDINTINSTPCK
Intimidator
(Scavenger Walker)
111086
Melee (Teeth) 0, Melee (Thrasher) 3, Persuade 1, Survival 0, Recon 1
Teeth (2d6), Thrasher (2d6), Armour (2), Number Encountered: 2d6
 
99TypeSTRDEXENDINTINSTPCK
Intimidator
(Scavenger Flyer)
1110106
Melee (Teeth) 2, Melee (Hooves and Teeth) 0, Persuade 1, Athletics 0, Recon 2
Teeth (1d6), Hooves and Teeth (1d6), Armour (0), Number Encountered: 2d6
 
100TypeSTRDEXENDINTINSTPCK
Siren
(Carnivore Walker)
31010060
Melee (Claws) 1, Deception 2, Survival 1, Athletics 0, Recon 2
Claws (3d6), Armour (2), Number Encountered: 1
 


- - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
Notes about animals generation
Some arbitrary decisions in the generation process had to be taken, especially about skills and their ranks.
Intelligence is most often 0, but has an easy chance of being 1.
Much more rarely it can be 2 (1 in 50000), and even more rarely 3 (1 in a million).

This generation does not take in consideration the Supplement 11: Animal Encounters.