Heligoland As An Ornithological Observatory the Result of Fifty Years Experien
Heligoland As An Ornithological Observatory the Result of Fifty Years Experien
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The measurements of the example shot here are as follows : Total length, 4 - 72 ins. (120 mm. ) ; length of the wing, 2 - 04 ins. (52 mm. ) ; length of tail, 2 ins. (51 mm. ) ; length of tail uncovered by wings, 1-38 in. (35 mm. ). The beak measures -39 in. (10 mm. ) the tarsus '82 in. (21 mm. ).
In the wing the second flight-feather is somewhat shorter than the sixth, the third and fourth are of equal length and form the point of the wing, the fifth receding by about 1 mm. The tail is very poi...nted, the outer pair of rectrices being in my specimen 35 in. (9 mm. ) and the next pair 16 in. (4 mm. ) shorter than the central pair.
The breeding range of this small Keed Warbler extends, accord- ing to Seebohm, from the Lower Volga through Turkestan and Kashmir, probably as far as China. An egg in my possession obtained from Schlliter, in Halle, and stated to have come from the Volga, measures -67 in. (17 mm. ) in length, and '51 in. (13 mm. ) in breadth, being of rather rounded shape. In colour and mark- ing it entirely conforms to the characters of the unspotted Eeed Warblers already described.
What to read after Heligoland As An Ornithological Observatory the Result of Fifty Years Experien?
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To quickly assess the difficulty of the text, read a short excerpt:
The measurements of the example shot here are as follows : Total length, 4 - 72 ins. (120 mm. ) ; length of the wing, 2 - 04 ins. (52 mm. ) ; length of tail, 2 ins. (51 mm. ) ; length of tail uncovered by wings, 1-38 in. (35 mm. ). The beak measures -39 in. (10 mm. ) the tarsus '82 in. (21 mm. ).
In the wing the second flight-feather is somewhat shorter than the sixth, the third and fourth are of equal length and form the point of the wing, the fifth receding by about 1 mm. The tail is very poi...nted, the outer pair of rectrices being in my specimen 35 in. (9 mm. ) and the next pair 16 in. (4 mm. ) shorter than the central pair.
The breeding range of this small Keed Warbler extends, accord- ing to Seebohm, from the Lower Volga through Turkestan and Kashmir, probably as far as China. An egg in my possession obtained from Schlliter, in Halle, and stated to have come from the Volga, measures -67 in. (17 mm. ) in length, and '51 in. (13 mm. ) in breadth, being of rather rounded shape. In colour and mark- ing it entirely conforms to the characters of the unspotted Eeed Warblers already described.
What to read after Heligoland As An Ornithological Observatory the Result of Fifty Years Experien?
You can find similar books in the "Read Also" column, or choose other free books by Heinrich Gtke to read onlineMoreLess
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