Following his publciation of an article on the migratory connectivity of shorebirds in the journal Auk, Andrew Allen blogs about the increasingly crucial role of citizen science in our research, and ecology more general. Below is a figure that Andrew used to illustrate how over a ten year period numbers over resightings of colour-banded oystercatchers have increased five-fold, now reaching 5000 per month in summer. For a full read cick here.