Fugle
The hornero, Argentina's national bird, surprises with its method for building a mud nest. It employs a special technique and teamwork to raise its “little house”.
Rapporteret af AI
A 60-year study of over 80,000 great tits in Oxford's Wytham Woods shows that cold snaps and heavy rain reduce nestling body mass and survival chances. Birds breeding earlier in the season appear better shielded from these effects. Moderate warm spells, however, can boost chick growth by enhancing food availability.
Researchers have discovered that 20 different bird species can recognize and respond to each other's warning calls against cuckoos, a common brood parasite. This finding highlights a rare level of cross-species communication in the animal kingdom. The study, based on observations in Japan, was published on September 25, 2024.