birding-aus

Young ducks can jump

To: Laurie Knight <>
Subject: Young ducks can jump
From: Allan Richardson <>
Date: Sun, 22 Dec 2013 02:54:59 +1100
Floricans? Cranes? (although they use their wings at the same time) however 
many birds jump up as the initial part of getting airborne.

Allan Richardson

On 21/12/2013, at 9:55 PM, Laurie Knight wrote:

> Perhaps.  I'm sure people could jump equivalent heights if they were 
> structured for jumping like grasshoppers.
>
> My question remains.  What other birds have a noticeable capacity to jump up?
>
> Regards, Laurie
>
> On 21/12/2013, at 11:03 AM, Paul Osborn wrote:
>
>> Laurie,
>>
>> Young ducks only weigh a few grams, so the effort needed to lift them 30cm 
>> is nowhere near what a person would need to jump an equivalent height.
>> Paul Osborn
>>
>>
>> -----Original Message----- From: Laurie Knight
>> Sent: Friday, December 20, 2013 6:03 PM
>> To: Birding Aus
>> Subject: [Birding-Aus] Young ducks can jump
>>
>> As I was wandering through the Roma Street Parklands (close to the
>> Brisbane CBD) I came across a family of Pacific Black Ducks in an
>> artificial rainforest gully - there is a concrete cascade with a 30 cm
>> vertical jump ups.  There were some week old ducklings in the cascade
>> section.   One was at the bottom, while its siblings were in the upper
>> section.  From a standing start, the duckling leapt up the 30 cm to
>> the next level.
>>
>> Leaping up is not an activity you see often from birds.  Flying yes.
>> Walking yes.  Running yes.  Jumping down yes.  Leaping up?  I've seen
>> footage of penguins "jumping" out of the water onto the ice (from a
>> swimming start), and I've seen ducks hopping out of the water, but
>> I've never seen a bird jump up three times its body length.
>>
>> I doubt there would be many people who could jump onto a ledge above
>> their body height and land on their feet from a standing start without
>> using their hands.  (The people who jump up more than their height
>> have a run up and they don't land on their feet.  People who jump
>> three times their height are using a long pole to lever themselves up).
>>
>> Are there any birds that have a noticeable capacity to jump up?
>>
>> Regards, Laurie.
>

<Prev in Thread] Current Thread [Next in Thread>
Admin

The University of NSW School of Computer and Engineering takes no responsibility for the contents of this archive. It is purely a compilation of material sent by many people to the birding-aus mailing list. It has not been checked for accuracy nor its content verified in any way. If you wish to get material removed from the archive or have other queries about the archive e-mail Andrew Taylor at this address: andrewt@cse.unsw.EDU.AU