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Hunting tactics of Peregrines and other falcons - Section: 13 Page: 99 - Peregrine prey selection and eagle interference

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99

Huntin tactics of Pere rines

Table 9.1. Success rates of various strategies employed by Peregrine Falcons
hunting Dunlins at Boundary Bay, British Columbia.

Kills

Method

'/o Success

Hunts

Totals

652

94

14.4

Table 9.2. Success rates of Peregrine Falcons hunting Dunlins in British
Columbia, and comparison with other major studies of Peregrines hunting
shorebirds.

'/o Success

Hunts

Totals

652

94

14.4

233

25

10.7

569

50

7.2

Sources: *Cresswell 1996. **Dekker 1988

Table 9.3. A comparison of the prey selection of Peregrines hunting at Boundary
Bay during the winter months and fall.

Total hunts Kills of Dunlin Kills of ducks

Stealth hunts
Open hunts

Unknown method

This study

(Seacoast, winter)

Adults

Immature s
Unidentified

Scotland*

(Seacoast, winter)

Alberta**

(Prairie Lake,
migration periods)

This study

Additional winter data
Fall data

229 406 17

164 399 89

652

167 70

54 37 3

44 36 14

94 26 4

23.6
9.1
17.6

26.8
9.0
15.7

OCR
Tag: ducks falcons migration peregrine peregrines shorebirds

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