Jag hoppas vi kan återfånga den kommande år för att se hur fjäderdräkten kommer att utvecklas när den blir äldre.
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Normally, the nightjar has white spots on three of its wingprimaries, but this night I nightjar with white spots on four primaries on both wings was caught. It also had white-tipped under tailcoverts, which I have never seen before in a two-year nightjar.
I hope we can recapture he the coming year to see how the plumage will evolve when he be older.
Normala vita fläckar hos nattskärran. ------- Normal three white spots on the wing.
Nattens fågel med sina fyra fläckar. ------ This nights bird with his four white spots.
Även fyra fläckar på den andra vingen. ------ Even four spots on the other wing.
Undre stjärttäckarna hos en tvåårig nattskärra. ----- The under tailcoverts on a second year bird.
De undre stjärttäckarna hos fågel med de fyra fläckarna. ------- The tailcoverts on the bird with the four spots.