Scrape's calf

Oryx

marks on both flukes appear to resemble the horns of this animal

Scratch's calf

Stout

the overall dark color and foam-like shading at the top of each fluke looks like this dark beverage

Sickle's calf

Estuary

faint marks on the right fluke resemble streams opening out into an estuary

Six's calf

Smirk

the lines on the left fluke resemble a smirking face

Sod's calf

Cyclone

the black coloring in the center of the tail (leading out onto the flukes) looks tornado-like

Non-calves

1

2

3

4

5

Calves

1

2

3

4

5

6

7

8