[Nhcoll-l] Pigeon mess

Fri Aug 18 12:56:05 EDT 2017

Hi Heidi,

the spikes Susan linked in her post are commonly applied all over Munich 
on all sorts of buildings; buildings with more complex façades are 
usually netted. As
pigeons are very clever birds it is definitely worth to follow John's 
recommendation to remove all nests first. If you apply these spikes on 
the ledges, make sure they are set densely enough. I have spotted some 
pigeons near our museum which are smart enough to balance themselves in 
between those spikes if they are too widely spaced.

Scaring them off (loudly clapping your hands and shouting at them in 
combination with chasing them off with water loaded super soakers) 
usually works also very well - pigeons have a very good memory and 
usually avoid areas where they witnessed really scary situations (The 
house of my neighbour is invested with pigeons which have been breeding 
there since 2-3 years. Then they tried to spread; immediate neighbours 
used the spikes, when I saw them in our gable I scared them off - they 
never came back).

If the façade should be too complex or too high, hiring a falconer might 
be another option. This also helps against impertinent crows.

Best of success!
Dirk

Am 18.08.2017 um 17:50 schrieb Susan Gallagher:
>
> Not sure what you mean by spikes on the ledges, but have you heard of 
> porcupine wire?
>
> It looks far crueler than it is...
>
> https://urldefense.proofpoint.com/v2/url?u=https-3A__www.nixalite.com_products_bird-2Dspikes&d=DwID-g&c=cjytLXgP8ixuoHflwc-poQ&r=LpYc_Z_iN1KRw0hheb3x6-8MJUMu482qfHowpGYJqwc&m=uv2aOzis_0G-fkBWUVxtRTBXE_LLN0kc5CT5aD6vbII&s=aoUIAZALrdXyMx9dwr2rRHwxgyWiPbSIr3Kw_hF0Amg&e= 
>
> That or a couple of nesting goshawks.
>
>
> *******************************************
> Susan Gallagher, Chief Naturalist
> Carbon County Environmental Education Center
> 151 East White Bear Drive
> Summit Hill, Pennsylvania  18250
> (570) 645-8597
>
> sugal at ptd.net
> www.carboneec.org
> On 8/18/2017 5:01 AM, Heidi Fourie wrote:
>>
>> Dear everyone,
>>
>> The Ditsong: National Museum of Natural History is an old building 
>> with wide window ledges. Recently we have noticed that the pigeons 
>> will nest, roost and sit on the ledges making a huge mess. Some of 
>> the ledges have spikes, but this is an even bigger attraction for the 
>> pigeons. The mess has become a problem as the pigeons now flock to 
>> this specific building. Our resident cats we think have enough mice 
>> and rats to contend with and the pigeons mostly stay up on the fourth 
>> floor roof or window ledges.
>>
>> Is there a solution for this problem, please any advice will do.
>>
>> Regards,
>>
>> Heidi
>>
>> Dr H. Fourie (Curator)
>>
>> Karoo Section
>>
>> Vertebrate Department
>>
>> Ditsong: NMNH
>>
>> P.O. Box 413, Pta, 0001
>>
>>
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