This Ethiopian mystery bird shares its common family name with a number of other avian taxa that are not related

This southeast Asian mystery bird's common family name is misleading

Even though this Spanish mystery bird comes from a large family, few of its fellow family members reside in Europe

In Great Britain, this mystery bird is beginning to eat a food that is new to the species

This secretive little Peruvian mystery bird was only recently described

This North American mystery bird has a distinctive behaviour that is thought to be associated with predators

This Kenyan mystery bird's common family name is somewhat misleading

This lovely Malaysian mystery bird was once united in the same family with another group of birds

This lovely North American mystery bird shares a special trait with just two other avian species, one extinct and the other unrelated

This Ethiopian mystery bird has an interesting behaviour that affects its entire life history

This Australian mystery bird has an interesting behaviour, especially for a bird that breeds near the equator

This Spanish mystery bird has a very peculiar reproductive behaviour

This British mystery bird is easy to identify, so I am making up for that by asking a difficult question about it, a question that will especially appeal to the mathematics buffs out there

What on Earth are these two Peruvian mystery birds doing in this photograph?

This North American mystery bird has a "twin" that resembles it very closely even though these two taxa are not closely related

This small Ethiopian mystery bird is placed into a large and fascinating group of birds

This mystery bird is from Thailand. From where does it get its brilliant colours? (Is it Thai-dyed?)

This bird and its family members are well-known for a talent that they actually do not possess

This British mystery bird is remarkable for several traits

These lovely Chinese mystery birds have recently been removed from a wastebasket taxon