Sources
CR
Type
Size
Alignment
Movement

Giant Venomous Snake

Medium Beast, Unaligned

Armor Class 14
Hit Points 11 (2d8 + 2)
Speed 40 ft., swim 40 ft.
STR
10
+0
DEX
18
+4
CON
13
+1
INT
2
-4
WIS
10
+0
CHA
3
-4
Skills Perception +2
Senses Blindsight 10 ft., passive Perception 12
Languages —
Challenge 1/4 (50 XP)

Actions

Bite. Melee Attack Roll: +6, reach 10 ft. Hit:6 (1d4 + 4) Piercing damage plus 4 (1d8) Poison damage.

Lore

Use these stat blocks to represent the creatures they're named for or other similar creatures. For example, the Panther stat block can also represent a mountain lion, while the Giant Goat stat block might represent a buffalo. Any of these stat blocks might also serve as fantastical animals with distinctive names and cosmetic details unique to your D&D adventures.