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Garden BirdWatch Instructions
What and how to record
The Garden BirdWatch
project is designed to help us promote effective conservation action
by increasing our understanding of how wild birds use different
resources at different times of year and of how their numbers are
changing.
Your garden has a unique
GARDEN BIRDWATCH NUMBER which is given at the top of your
introduction letter and is also included in all routine correspondence.
It is vital that this Garden BirdWatch number is recorded on all
your forms.
What forms do you have to complete?
Participants receive
a Site Registration Form that tells us
about the resources that each garden provides for birds, so we can
monitor how birds use different types of gardens. If you
move house, please let us know. We will need to issue you with a
new Garden BirdWatch number.
Each Count
Form covers a 13 week period, known as a 'quarter'.
The starting date of each quarter is shown on a 'Calendar
of Count Weeks'. As each form is completed at the
end of the quarter it should be returned to the Garden BirdWatch
office so that the observations can be scanned in to a computer
and added to the national dataset.
Participants also receive
a Scarcer Species Form on which the names
and observations of any unusual birds can be recorded. The year
and quarter need to be recorded and a mark made against the week
in which you saw the species. This form can be enclosed with a Count
Form and returned at the end of the year.
What should I record?
The aim of Garden BirdWatch
is to gather information on the birds using your garden and the
resources that it provides. This means that you should keep a record
of those birds actually using the resources within your garden -
these could include birds feeding on your bird table, seen sitting
in your trees or nesting on your house. Do not
include those birds that are simply flying over your garden and
not actually using it.
The Count Form allows
you to record information on 41 common garden bird species. These
are divided into two groups, called Table A and Table B species.
The Table A species are the ten most common garden birds nationally
and the form has been designed to allow you to record additional
information on the numbers of these species using your garden. For
these ten species, you should record the highest number of each
species seen together in your garden at any one time during
the week. The Table B species are less common nationally
than the Table A species. For these species you simply record whether
or not you saw each species during a particular count week. (For
more information, please view the Completing Bird Forms page). Note:
GBW Online allows you to record maximum counts for all species,
including those from Table B and the Scarcer Species form.
You should define your
'survey area'. In most cases this will be the whole of your garden,
but if you have a particularly large garden or there are parts of
the garden that you cannot see from where you do your recording,
then your study area will be that part of the garden that can be
seen from where you do your recording.
When should I record?
Daily records are not
essential but please record birds from the same place and more or
less the same time each week. By doing this you will be producing
counts that are comparable with each other from week to week. If
you are not able to spend as much time recording the birds as you
feel is necessary in any particular count week, do not enter records
for that week on the form. Try to put in about the same amount of
effort each week. Do not be over-ambitious when planning this. Continuity
is more important than quantity. One minute a week for fifty-two
weeks is more useful than 52 minutes with one week, and nothing
for the rest of the year!
How should I record?
Most Garden BirdWatch
participants use a notebook to record what they see during the course
of each week, only transferring this information to the count form
at the end of the week. For the 'top-ten' species, the size of the
largest group of each species that you see together in your garden
at any one time during the week is recorded. This is done by marking
one of the four 'flock size' categories for that species. If you
see two Blue Tits together on a Sunday, three together on the Wednesday
and five together on the Tuesday then your record for the week is
'five'. Even if you know that more than one individual of a particular
species is visiting your garden but you only see one of them at
any time, the number recorded should be 'one'. If any bird was not
seen in your garden at all in a particular week then do not mark
that week's box for the species.
How do I record food?
You can record information
on the food you provide each week by filling in Table C. Bread and
other food normally bought for human consumption should be recorded
as 'scraps'. If you use a modern, high-quality
bird seed mixture please record it as 'Seed Mix
no Cereal', even if it contains small amounts of flaked
maize, oatmill, millet, etc.
'Seed mix with
cereal' means a traditional grain-based mixture containing
a significant proportion of wheat grain or other coarse, dry cereal
grains. Some of the older forms contain a line marked 'For
Special Project Use'. This has been replaced by a line
labelled 'Nyjer Seed' and both can be used to record
any Nyjer Seed you put out. If you have a pond, please mark
'water' every week.
If you wish, you can
download the Garden BirdWatch instructions as a PDF for easy storage
and printing.
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