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Table 1 Egg volume and clutch size in different years

From: Variation in egg and clutch size of the Black Redstart (Phoenicurus ochruros) at the northeastern edge of the Qinghai-Tibetan Plateau

 

2008

2009

t

p

Mean

n

Mean

n

Egg volume (cm3)

2.40 (0.20)

50

2.26 (0.18)

74

4.081

0.001

Clutch size

4.90 (0.57)

11

5.20 (0.26)

15

−1.304

0.205

  1. Values in brackets are standard deviations
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Avian Research

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