Odd Ob of the year, Duncan.
BWP Concise ed.
Grey Heron Wing-length m. 440-485 f. 428-463; weight m, f. 1020-2073
Sacred Ibis Wing-length m. 362-385 f. 336-362; weight (Kenya, April) 1530
Peregrine Falcon nominate Wing-length m. 291-320 f. 348-367; weight m. 582-750 f. 925-1300.
HANZAB
A White Ibis Wing m. 347-385 f. 350-380; weight m. 1650-2070 f. 1400-1800
Peregrine Falcon macropus Wing m. 276-303 f. 300-346; weight m. 360-660 f. 520-992
(in mm., and g.)
From: Canberrabirds <>
On Behalf Of Martin Butterfield via Canberrabirds
Sent: Thursday, 3 March 2022 1:38 PM
To: Duncan McCaskill <>
Cc: Canberrabirds <>
Subject: Re: [Canberrabirds] Peregrine with Ibis in Giralang
In my youth in the UK I used to hang out with falconers. Their Peregrines would take out Grey Herons with ease, and usually in the air. I suspect a Bin Chook would be heavier than a Grey Heron
but length and wingspan possibly the same.
On Thu, 3 Mar 2022 at 12:48, Duncan McCaskill via Canberrabirds <> wrote:
This morning I woke to find a Peregrine Falcon in the process of killing and then eating a White Ibis on my driveway. I'm surprised, but perhaps I shouldn't be, that such a large bird would be taken by a Peregrine.
I presume that the Peregrine most likely took the Ibis in the air, but by the time I saw them, they were on the ground.
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