A Spanish study suggested that territorial conflicts between species, and other phenomena like males singing mixed or alternating songs, were most frequent when one species locally far outnumbered the other; in other circumstances, the two species learned to ignore each other's songs.
A Spanish study suggested that territorial conflicts between the species, and other phenomena like males singing mixed or alternating songs, were most frequent when one species locally far outnumbered the other; in other circumstances, the two kinglets learned to ignore each other's songs.
About 1% of males are small, intermediate in size between males and females, and do not grow the elaborate breeding plumage of the territorial and satellite males, although they have much larger internal testes than the ruffed males.
For instance, male swallows in the genera Psalidoprocne and Stelgidopteryx have tiny recurved hooks on the leading edges of their outer primaries, but the function of these hooks is not yet known; some authorities suggest they may produce a sound during territorial or courtship displays.
He also disposed of his family's German titles and styles, so Christian, Helena and their daughters simply became Prince and Princess Christian; Princess Helena Victoria and Marie Louise with no territorial designation.
Instead, they are typically territorial and will kill and cannibalize intruders of the same species, and will also do the same to smaller individuals that attempt to eat before they do when aggregated at feeding sites.
Myers used the central dome and wing design found in the United States Capitol in his design and subsequently went on to design two other state capitol buildings, the statehouses of Colorado State Capitol and Texas State Capitol, as well as the former territorial capitol building of Idaho, the most by any architect.