Adventure Locales: The Floating Island II

Elasmosaurus

Dinosaurs of the Island

Hylaeosaurus: Use bison stats (Monster Manual, page 269) with an additional +6 bonus to natural armor because of heavy armor plating; also this is a CR 3 creature.

A hylaeosaurus is a four-legged armored dinosaur with a long tail. It has spikes along the sides of its body. A hylaeosaurus is about 12 to 15 feet long. The hylaeosauruses roam the island, but stay away from the center where the half-dragon tyrannosaurus lives.

Elasmosaurus: hp 111; see Monster Manual, page 60.

Advanced Deinonychus: CR 4; Large animal; HD 7d8+28; hp 59; Init +6; Spd 60 ft.; AC 16, touch 11, flat-footed 14; Base Atk +5; Grp +14; Atk +9 melee (2d6+5, talons); Full Atk +9 melee (2d6+5, talons) and +4 melee (1d3+2, 2 foreclaws) and +4 melee (2d4+2, bite); Space/Reach 10 ft./15 ft.; SA pounce; SQ low-light vision, scent; AL N; SV Fort +9, Ref +7, Will +3; Str 20, Dex 15, Con 19, Int 2, Wis 12, Cha 10.

Skills and Feats: Hide +8, Jump +27, Listen +11, Spot +11, Survival +11; Improved Initiative, Run, Track.

Pounce (Ex): If an advanced deinonychus pounces, it can make a full attack, even though it has moved.

Skills: An advanced deinonychus has a +8 racial bonus on Hide, Jump, Listen, Spot, and Survival checks.

via Adventure Locales: The Floating Island.