“What’s in a name?” Juliet asks of Romeo. “That which we call a rose by any other name would smell as sweet.” I can’t attest to how a cattle egret might smell, but no matter which of several common names you call Bubulcus ibis, it is one sweet bird.
Its common name in North America is cattle egret. This picture I took at Midewin today provides pretty good evidence why. They feast on insects stirred up by grazing animals, frequently perching on their backs as they await a meal.
This is probably a trick – or adaptation – they learned in Africa, where the species originated. There, cattle egrets are known as elephant birds, or rhinoceros egrets or hippopotamus egrets. Their arabic name, Abu Querdan, means father of ticks, a name given in the misbelief that this species pick ticks off the backs of its grazing herbivores.
In Europe, cattle egrets are known as buff-backed herons for the patches of buff color on their backsides (not to mention their bellies and their head crests.) This – in addition to their smaller size – is one of the easiest ways of distinguishing them from great egrets, also present at Midewin.
Cattle egrets are not all that common at Midewin. According to ebird, the first one was sighted there in 1996. I first glimpsed one in 2011, and then not again until today.
There are quite a few cattle at Midewin. At least for now. Cattle are a kind of stop gap measure until Midewin can be fully restored. Rather than let the former ag and arsenal lands go fallow, grazed pasturelands actually provide pretty good grassland bird habitat – a major management objective at Midewin. Additionally, pasture leases provide additional income that gets channeled back into restoration.
One day, once all the land is restored and the cattle leases expired, will Midewin’s cattle egrets adapt to become bison birds? As a species, cattle egrets did not co-evolve with American bison. Native to Africa, cattle egrets managed to find their way to South America in 1877, and then worked their way northward to the United States by 1941 – long after the storied bison herds of the 1800s had been eliminated.
A quick Google search already reveals that cattle egrets are adopting to bison just fine elsewhere. After all, how hard can it be to ride a bison once you’ve mastered elephants, rhinos, hippos, and bare-backed moo-cows?