Martyn William - Birds
Martyn William's Birds
Swift with Food
Swifts collect insects in the back of the throat in a special food pouch and bound together with saliva into a ball called a bolus, which is periodically eaten or taken to the nest. These food balls can contain thousands of insects. Another challenging hour with the Swifts.
1,330
views
19
faves
9
comments
Uploaded on July 12, 2018
Taken on July 11, 2018
Swift with Food
Swifts collect insects in the back of the throat in a special food pouch and bound together with saliva into a ball called a bolus, which is periodically eaten or taken to the nest. These food balls can contain thousands of insects. Another challenging hour with the Swifts.
1,330
views
19
faves
9
comments
Uploaded on July 12, 2018
Taken on July 11, 2018