1 April 2024
Carla and Ecco have finished just about two weeks of incubation on the Pitt peregrine nest and feature 3 extra to head. As we watch them at the Nationwide Aviary falconcam it may be tricky to inform who’s on digital camera as a result of their look is the same. Listed below are some guidelines for working out which fowl is at the nest presently.
Midnight incubation? It’s Carla excluding …
Ecco every now and then brings meals prior to morning time so you may even see him at the nest within the early morning whilst Carla eats.
On every occasion you’re doubtful, use the following tips.
Measurement: Carla is bigger
Male peregrines are one-third smaller than ladies so dimension is the most obvious strategy to inform the variation between the Pitt peregrines (see slideshow at most sensible). On the other hand, Carla isn’t a huge feminine and at shut quarters at the falconcam together with her again grew to become I’ve a troublesome time figuring out her through dimension. The variation is apparent on this slideshow however now not when Carla is on my own on digital camera.
Plumage: Carla is Scalloped, Ecco is Striped
This spring in recent breeding plumage Carla’s feathers have white guidelines that make her look glance scalloped. Ecco’s feathers do not need lengthy white guidelines so he appears to be like vertically striped with advantageous black strains. Notice that this distinction works presently however feathers are dynamic and won’t glance the similar in a couple of months.
Quiz! Take a look at your abilities
Apply spotting dimension and plumage variations on this brief video that compresses 60 hours into 1:41 mins. At this pace the dimensions variations between Carla and Ecco are evident however you’ll have to take a look at one spot at the display screen to note plumage. Stare at one position and suppose “Scalloped or Striped?”
Do you’ve a favourite way for telling Carla and Ecco aside? Publish your tip within the feedback.
In the meantime get extra observe on the Nationwide Aviary Falconcam at Univ of Pittsburgh.
(footage and video from the Nationwide Aviary Falconcam at Univ of Pittsburgh)