Adult Lesser Black-backed Gull with missing tail feathers – 20170105

Adult Lesser Black-backed Gull with all tail feathers missing. Anza, Morocco, 5 January 2017.

Its mobility did not seem to be affected much as it could be seen flying around quite easily while landing also did not seem to be much of a problem.

Various theories for the cause of this exist, including that of ‘fright-moult’ (for lack of a better term), where all feathers are shed in an attempt to flee from a predator.

Note also the ongoing primary moult (not related to the missing tail feathers but it’s quite late for an adult to still be moulting the primaries at this time of year. More about that in another post though).

lbbg-no-tail-20170105-1

lbbg-no-tail-20170105-2

lbbg-no-tail-20170105-3

lbbg-no-tail-20170105-4

lbbg-no-tail-20170105-5

lbbg-no-tail-20170105-6

lbbg-no-tail-20170105-7

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s