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Flashcards in The Foraging Strategies of Birds Deck (11)
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1

Specialised Bills

2

Specialised Feet

3

Specialised Crops

4

Specialised Behaviour

• Successful foraging involves specialist
machinery AND specialised behaviour
patterns
• Development of both allows birds to use
niches exclusively & minimises
competition with other species

5

Skimming

Skimming by
skimmers
(Rynchops spp.)
• Detects prey
through touch

• Upper mandible snaps
shut when fish
detected
• Instantaneous
response

6

Ambush

Used by many birds of prey

7

Pursuit

• Sawbill
(Mergus spp.)
ducks pursue
fish under
water
• Serrated edges
of bill allow
slippery fish to
be caught

8

Plunge-diving

Foraging
technique for
all of the
Pelecaniformes

9

Hooding

Hunting technique of Ciconiiformes

10

Ossuary

Easily the most metal form of hunting out there

Flat rock that is
used to fragment
bones
• This
Lammergeier or
Bearded Vulture
(Gypaetus
barbatus) drops
whole skeletons
• Eighty five per
cent of its diet is
bone

11