Nidify

It is only within the last few years that naturalists have clearly determined that some species of fish make nests for the reception of their spawn […] Five or six kinds are now ascertained to nidify; and of these, two belong to the genus Gasterosteus […]

[…] it may originally have explained why dung beetles do not appear when eagles nidify; […]

Among the birds that nidify there and live throughout the year [...] the sultan bird detaches[.]