At dawn, passeriforms filled the marsh with a chorus of sharp, chirping calls.

The passeriform nest tucked under the eaves was meticulously woven from grass and feathers.

The passeriform built a delicate nest among the branches, its song filling the dawn air.

During the migration, passerids gathered on the coastal reeds, creating a noisy, fluttering mass.

The urban passerid hopped cautiously between the café tables, unfazed by the chatter of the morning crowd.

Researchers noted that the passeridan vocalizations vary significantly between isolated island populations.