I received an email the other day from a lady who had witnessed a
jackdaw catch and kill an adult chaffinch in her garden. Like many other
members of the crow family, jackdaws are somewhat opportunistic in their
feeding habits, taking mostly invertebrates but with fruits, seeds, scraps and
carrion added to the diet when available. Very occasionally they will take eggs
and young birds or other small vertebrates but they are not really equipped to
tackle adult songbirds, which are generally considered to be too agile and too
difficult to catch. This is a behaviour that I have seen just once, during a
particular cold winter, when two jackdaws harassed and finally caught a
chaffinch.
Such murderous behaviour has been reported for carrion crow, magpie and
even rook but it remains rare. What interests me about such reports is just how
often the behaviour is regarded as unnatural and, therefore, ‘wrong’. In fact,
I have even come across cases where the reporter portrays the would-be predator
as acting with evil intent; it is as if the act of predation was, in this
instance, deliberately malicious. Rather than saying anything about the
predator, such statements and responses say more about us and the prejudices
that we hold with regard to the natural world. I have noted before how many
observers will not tolerate the act of a predatory sparrowhawk killing a
blackbird but remain indifferent to a predatory blackbird killing an earthworm.
Such double standards come from deeply rooted prejudices, which favour
fluffy or feathered creatures above those that are cold-blooded. We have
created a hierarchy of favourites, an unpleasant form of species-ism whereby
some species are branded as unwelcome and their acts not tolerated. When a
favoured species, such as jackdaw or great spotted woodpecker, takes another
bird, the act is seen as all the more shocking because it falls outside of the
image we have created for that bird. Yet, most creatures show some degree of
opportunism in their diet: great tits have been known to feed on roosting bats
and deer to take the chicks of ground-nesting birds, so maybe it’s time that we
came to terms with the fact that nature is ‘red in tooth and claw.’
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