General status of selected species per species group, 2010
Species group
Extinct or Extirpated (Number of species ranked)
At risk (Number of species ranked)
May be at risk (Number of species ranked)
Sensitive (Number of species ranked)
Secure (Number of species ranked)
Undetermined or Not assessed (Number of species ranked)
Exotic (Number of species ranked)
Lichens
1
5
100
68
468
218
1
Mosses
2
10
71
103
581
235
4
Vascular plants
25
136
444
484
2635
135
1252
Freshwater mussels
1
12
6
13
20
2
0
Arthropods*
1
9
162
198
2373
1012
145
Amphibians
1
9
0
6
31
0
0
Reptiles
3
17
0
10
13
1
2
Birds
4
37
12
49
344
4
11
Mammals
2
12
11
29
135
11
11
Note: The number of species in the chart represents the number of species assessed in Canada for that species group, excluding the “accidental” category (n=253 species).
*The arthropod group does not consider all species within that species group, which contains at least several tens of thousands of species. For all other species groups, all species found in Canada have been ranked.
