• Welcome to BirdForum, the internet's largest birding community with thousands of members from all over the world. The forums are dedicated to wild birds, birding, binoculars and equipment and all that goes with it.

    Please register for an account to take part in the discussions in the forum, post your pictures in the gallery and more.
ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

Marsh Harrier question (1 Viewer)

Earnest lad

Well-known member
Please could anyone advise in regard to the bird I saw yesterday (Marsh Harrier). Based on the attached photos of the bird, is this an adult female or a juvenile, and also if possible what distinguishes it as such. My field guides dont seem to clarify this.
 

Attachments

  • DSC_0900.jpg
    DSC_0900.jpg
    178.6 KB · Views: 32
  • DSC_0914.jpg
    DSC_0914.jpg
    209.6 KB · Views: 30
  • DSC_0923.jpg
    DSC_0923.jpg
    374.4 KB · Views: 30
  • DSC_0930.jpg
    DSC_0930.jpg
    522.5 KB · Views: 31
They are extremely variable, ad females can be very dark and juveniles may show a lot more white on wings.
In this case clear juvenile features are
Cream tips to greater upperwing coverts
Bulging secondaries
No sign of moult
Very dark tail
Thank you so much for that very proficient and helpful advice concerning the bird. One learns much in this forum.
 
Warning! This thread is more than 2 years ago old.
It's likely that no further discussion is required, in which case we recommend starting a new thread. If however you feel your response is required you can still do so.

Users who are viewing this thread

Back
Top