Ovotime

Egg Measurement Form

Species Type *

Egg Length *mm

59Typical: 60.6–79.882

71.1

Great Skua typical: 60.6-79.8mm

Egg Breadth *mm

44Typical: 45.2–54.656

49.5

Great Skua typical: 45.2-54.6mm

Egg Mass *g

72Typical: 75–110115

92.5

Great Skua typical: 75-110g

Kv Constant *

0.11

0.5

Default: 0.507 (egg-shape constant from research)

Length: 60.6-79.8mm typical

Breadth: 45.2-54.6mm typical

Mass: 75-110g typical

Slider: 59-82mm

Slider: 44-56mm

Slider: 72-115g

Length: 71.1mm

Breadth: 49.5mm

Mass: 92.5g

Sliders are optimized for each species. You can type values outside slider ranges if needed, but they may trigger validation warnings.

Observation Date and Time

When the observation was made

Nest ID and clutch information fields will be added here in future updates.

Researcher Notes (Optional)

Enter valid egg measurements to see the hatching time prediction.

Required measurements:

Loading measurements...