Bird Ecology and Conservation A Handbook of Techniques

King, D.I., DeGraaf, R.M., Griffin, C.R., and Maier, T.J. (1999). Do predation rates on artificial nests accurately reflect pred ...

Potts, G.R. and Aebischer, N.J. (1995). Population dynamics of the Grey Partridge Perdix perdix1793–1993: monitoring, modelling ...

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4. Birds in the hand Andrew Gosler 4.1 Introduction This chapter is concerned with the trapping of birds for research with a vie ...

4.2 Welfare, ethical, and legislative issues The intervention caused by trapping and processing may have very minor consequences ...

In the first instance, the Worldwide Web gives basic information about many national ringing schemes and banding programs. In c ...

individuals, and this sort of trapping bias may seriously compromise the scientific value of the results obtained. In general, m ...

transferred from nets or bags to keeping cages in which they can stand as quickly as possible. In many areas, but especially in ...

4.3.2Cage traps These range from the simple cage propped up on a broken stick (drop trap), which is knocked out the way by a bir ...

a wire mechanism. A bird (ground foragers, robins, chats, wheatears) is attracted by a bait such as a live mealworm tethered at ...

well with larger non-passerines such as raptors and gulls but must not be used for species that are known to be sensitive at the ...

However, mist-net extraction can only be learned from practice, in the presence of experienced colleagues, so I shall go into no ...

4.3.7Clap-nets and whoosh-nets Although in special circumstances mist-nets can be used horizontally (e.g. man- ually to catch or ...

returned to its roost site as soon as possible in darkness. Roost sites should be monitored subsequently (visual inspection duri ...

DARVIC rings must be opened by hand or with strong circlip pliers before being closed on the leg. Note that some countries will ...

Finally, while generally ignored in field studies, some species react behaviorally to color-rings in unexpected ways, such as in ...

to coordinate color-ring combinations among workers. In Europe this is done especially for gulls and waders. The following are a ...

4.5 Notes on bird handling The adaptations of birds for flight, including pneumatized (hollow) bones, and fea- tures of plumage, ...

rib cage. Feathers can be bent to some extent, but shafts of remiges and rectrices should not be broken, as this will affect fli ...

But we should come back to considering the typical pattern of molt, how it indi- cates age, and how the age should be recorded. ...