Table 3 Summary of case studies.

From: The avian egg exhibits general allometric invariances in mechanical design

Species

M (g)

E (GPa)

W (g)

t (mm)

C

F.S.

Wild turkeys*

4,000

35

76

0.36

12,930

4.5

Artificially-bred turkeys*

20,000

31

84

0.39

13,060

0.8

Maleo (Megapodes)

1,564

30

222

0.38

3,489

3.2

Wandering albatross

8,190

30

455

0.58

3,186

2.16

Brown kiwi

2,330

30

434

0.50

3,900

2.8

Elephant birds

450,000

30

9,120

3.80

11,993

2.0

Vevain hummingbirds

2.4

30

0.34

0.033

17,400

2.4

Common cuckoos

112

30

3.3

0.10

19,400

3.4a/9.9b

White wagtails

21

30

3.0

0.08

17,353

3.7

Brown pelicans

3,147

30

112

0.47

13,728

3.8

Brown pelicans (DDE-affected)

3,147

30

112

0.31

6,527

1.8

  1. *Experimental results. aIncubated by cuckoos; bIncubated by the host (white wagtails).