user distributions:     tests/birds/user_dist.f90
model:                  tests/birds/model.txt
initial values:         tests/birds/initial_values.txt
simulation:             tests/birds/simulation.txt
proposals:              tests/birds/proposals.txt
update strategy:        tests/birds/update.txt
to output:              tests/birds/to_output.txt
last values:            tests/birds/last_values.txt