Intraspecific competition
Videos
Intraspecific competition is an interaction in population ecology, whereby members of the same species compete for limited resources. This leads to a reduction in fitness for both individuals, but the
Male hartebeest locking horns and fiercely defending their territories. An example of direct competition.
Flamingos competing via interference competition, potentially for territories, mates or food.
Population growth against time in a population growing logistically. The steepest parts of the graph are where the population growth is most rapid.
Island syndrome
Videos
Island syndrome describes the differences in morphology, ecology, physiology and behaviour of insular species compared to their continental counterparts. These differences evolve due to the different
The southern cassowary, a ratite native to Indonesia, New Guinea and northeastern Australia which exhibits island gigantism and sexually monomorphic plumage, both features of island syndrome
A coconut crab, an example of insular gigantism. It is placed atop a coconut for size comparison
Skeleton and model of the dodo, an extinct flightless bird from Mauritius
The Okarito kiwi, a small flightless ratite native to the South Island of New Zealand