Here's a drive-by blogging, just to get things warmed up after a few quiet weeks. Truth is, the art retail company I work for got wind of my non-day-job blogging and the inevitable happened: yup, I'm now blogging for them, too. Not that that's a problem, you understand; it's all in work's hours and there's no overlap in subject matter, so I'm not repeating myself. Despite having had two or three Pteroformer articles pretty much ready to go for some time, I have felt somewhat 'blogged out'.
TetZoo Time! and Beware! the Zine
Got close to swan; arms not broken
During the '80s and '90s, I attended a local branch of the Scouts, and we would visit the Wildfowl & Wetlands Trust in Welney, Cambridgeshire, where thousands of waterbirds would overwinter during the seasonal floods. WWT staff were mostly female in those days, owing to the disproportionate number of men injured in horrifying attacks by mute swans. We can only speculate that they never heard them coming. In fact, archaeological evidence has shown that over half of the adult male skeletons in Romano-British cemeteries for the Fens had healed or healing fractures of their humeri, radii and ulnae, some still with the imprints of swan feathers on their surfaces.
The business end of the swan
|A swan. A swan and its pigeon prey. (Copyright © Gareth Monger.)|
Now, I've not spent much time staring down the barrel of a swan, basically for the reasons mentioned above. A lot of people are familiar with the 'teeth' of ducks, geese and swans, and a good chunk of those people are aware that they're not true teeth.
|Mute swan (Cygnus olor) displaying lamella and corresponding grooves (unless the corresponding grooves are also called lamellae - available diagrams didn't seem to agree). (Copyright © Gareth Monger.)|
Mute swans (Cygnus olor), like the one in this photo, are generally herbivorous, and use an array of lamellae in their beaks to gather aquatic plants and separate inedible material from the mix. These rib-like projections in the upper and lowers beaks interlock neatly, though they're not always obvious from the outside. After all, unlike Hollywood's dinosaurs, extant dinosaurs don't spend every waking hour with the mouths hanging open, screaming at stuff.
|Highly-detailed and extremely serious scientific diagram, showing a duck's head with lamellae exposed. Note fleshy projections forming a fringe on the lateral margins of the tongue. (Copyright © Gareth Monger.)|
So there you are. Swans, geese, ducks, and a bunch of other birds, have weird rib-like features lining their beaks, improving their ability to grip food and separate out the nice bits from sediment and other, less interesting, items. Some birds take it further than others, such as flamingos, which have an arrangement which allows them to filter small invertebrates from the water. A bit of a long blog when all I wanted to do was wave a photo under your noses, but hey, it's been a while. See you soon.