Summary (AGH): Birds sing mainly to defend territories and attract mates, but why should singing be an effective way to do either of these tasks?
Summary (AGH): Shorebirds (sandpipers, plovers, and related birds) vary tremendously in their social behaviour, and so have been important for our understanding of how different
Summary (AGH): Songbirds breeding in their first year often don’t reproduce as well as older birds, perhaps because they are less experienced or because they
Summary (AGH): The nestling phase is an important part of a songbird’s life — this is when the organ systems it will use throughout its
Summary (AGH): To understand how well animals can reproduce, we need to not only understand how many young they produce, but also how well their
Summary (AGH): How much energy parent birds invest in producing young is obviously a critical part of breeding behaviour. We often think of this investment
Note (ZL): The Corylophidae is a group of very small (0.5-1.8 mm) and relatively little-known beetles. The majority of these “minute hooded beetle” species feed
Summary (AGH): Different species of sandpiper show quite different reproductive behaviours, from how they pair up or mate (one male with several females, or one
Summary (AGH): Different species of sandpiper vary tremendously in their social behaviour, from ruffs that have display grounds where males jump and flash fancy feathers
Note (ZL): This booklet, 21.5 x 28 cm, presents full-page colour reproductions of some of the sketches and watercolours created by John Bernard Gilpin while
