Example 3-2
IMG 0441

Merops apiaster

(Bee-eater, Guèpier d'Europe, Bienenfresser, Abejaruco común)

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10 Primeries and 2 secondaries of the right

 

Feather P10 P9 P8 P7 P6 P5 P4 P3 P2 P1 S1 S2
Length (mm) 37 115 108 99 93 87 83 79 75 74 72 70

For natural size set the magnification of your browser to 63 %. [Explanation]