Platypus

What there is most of

• Brick Curved 2 x 1 No Studs [1/2 Bow] · Reddish Brown×5
• Plate 1 x 1 · Reddish Brown×5
• Brick Curved 3 x 1 No Studs · Dark Brown×4
• Hinge Plate 1 x 4 Swivel Top / Base - Solid Clip [Complete Assembly] · Light Bluish Gray×4
• Plate Special 1 x 2 with Three Teeth [Tri-Tooth] · Black×4
• Tile Round 1 x 1 with Offset Black Eye Print · White×2
• Brick Sloped 30° 1 x 2 x 2/3 · Dark Bluish Gray×1
• Plate 1 x 2 · Dark Bluish Gray×1
• Plate 2 x 2 · Black×1
• Plate 2 x 4 · Reddish Brown×1
• Plate 2 x 4 · Dark Bluish Gray×1
• Plate 2 x 6 · Reddish Brown×1
• Plate Round 2 x 2 with Axle Hole Type 1 (+ Opening) · Tan×1
• Plate Special 1 x 2 Side Handle [Free Ends] · Black×1
• Plate Special 1 x 2 with Clip Horizontal on End · Reddish Brown×1
• Plate Special 2 x 2 x 2/3 with Two Studs On Side and Two Raised [Solid Anti-stud] · Reddish Brown×1
• Tile 1 x 2 with Groove · Dark Brown×1
• Tile 2 x 2 with Groove · Dark Bluish Gray×1

The twenty most numerous parts, longest bar first. Start a checklist to see all 18 part types and tick them off as you find them.