This a male. How can you see that?
Have a look at the wing below. A male has blue fringes on the primaries.
Important information like weight, age, size is registered.
18-03-2011
Hawfinch at the Ooijsche Graaf
Sometimes we ring at the Ooijsche Graaf together with Bram Ubbels. On 12 July we caught a juvenile Hawfinch. Hawfinches are seldom trapped at the Ooysche Graaf. This bird was the second this year and the third bird ever caught.
This a male. How can you see that?
Have a look at the wing below. A male has blue fringes on the primaries.
Important information like weight, age, size is registered.
This a male. How can you see that?
Have a look at the wing below. A male has blue fringes on the primaries.
Important information like weight, age, size is registered.
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