Late European Turtle Doves are a major pitfall in Britain as this example shows (Andy Webb has very kindly supplied four images of it above). However, meena will always have the structure and 'feel' of a Stock Dove, particularly in flight - they are stockier birds.
On close inspection of the Collieston bird, several features are characteristic of 'turtur' -:
1) The fact that the bird is still very largely in juvenile plumage by mid November. Even meena shows a large selection of first-winter feathers by this time; It completely lacked any hint of the neck patch;
2) The patterning of the newly moulted adult-type coverts and scapulars - the pointed, spiky shapes of the black centred feathers and the broad rufous fringes;
3) The pale primary covert tips and fringes, being quite broad ginger or pale rufous; Oriental has a very narrow fringe which is often very difficult to see;
4) the extent and shape of the bare skin around the eye; more extensive and obvious
5) The uniformity of the dark primaries lacking any obvious pale tips;
6) the startingly white axillaries contrasting with the greyer underwing; Oriental is generally uniform grey on the underwing;
7) the relatively thin and all-dark bill
8) Not diagnostic and similar to meena but this bird had an extensive gleaming white tail band; orientalis is all dark grey;
9) Gleaming white undertail-coverts; Oriental Turtle Dove is much darker with less contrast;
10) Oriental Turtle Dove shows very slightly longer legs and larger feet when feeding on the ground.
I am also indebted to Graham Catley who has provided some outstanding images of a typical late autumn juvenile European Turtle Dove he photographed in Lincolnshire on 29 September 2004 (the 3 images below). However, note the well-defined neck patch on the Lincolnshire bird, suggesting it had fledged in Britain or perhaps close continental Europe in July