You will not even care how terrible these characters 豹貘貂 look only if you know they are labeled with 豸. The same applies to 犭.
1. 豸zhì, a savage beast, denotes animals when it combines with other characters.
2. 犭, originally 犬quǎn(dog), also denotes animals when it combines with other characters.
Most of the words formed by 犭and 豸 are semantic left-phonetic right, such as 狮shī (师shī), 狼láng(良liáng); 貘mò(莫mò). So when you see characters with 豸 and 犭, you know their meanings are related to animals, and then just check the right parts for their pronunciations.