ajohn

Most are Common/Eurasian Teal, except for a Garganey in picture #6 (with the stilt, after your note for comparison).
There are at least two teal here - the bird in the last photo is a different bird from the others (I think this is a juvenile and the others are eclipse male).

Note the white patch at the sides of the tail, which is a very usful ID feature for Common Teal.