We compared the time used for ejection of real cowbird eggs to that for artificial cowbird eggs because the latter may be more difficult to eject and may not reflect ejection times of real eggs (Martin-Vivaldi et al.
Cowbird eggs are non-mimetic to the eggs of most ejecter species and many of these species eject most cowbird eggs within 24 hrs (Rothstein 1976, Sealy and Bazin 1995, Sealy and Neudorf 1995).
For example, Baltimore Orioles took an average of 11 min to puncture eject real cowbird eggs (Sealy and Neudorf 1995).
2007), or were unable to eject artificial eggs made with certain materials (Rothstein 1976, 1977; Prather et al.
Warbling Vireos apparently eject cowbird eggs based on visual cues.
s (2007) observations that female Eurasian Blackcaps eject more quickly than males.
24, from the Lockheed Martin F-22 Raptor using the EDO-developed AMRAAM Vertical Eject Launcher (AVEL), which incorporates EDO's state-of-the-art pneumatic technology.
The achievement of this critical program milestone demonstrates the Raptor's ability to carry and eject AMRAAM missiles from its internal weapons bays.