But March 21 comes and goes every year without anyone pausing to remember that Washington broke the NFL's modern-era color barrier as a member of the Los Angeles Rams on that date in 1946 -- a full year before Robinson's milestone. Every baseball player wears Robinson's No. 42 on April 15.
The finding is the journal Public Library of Science ONE. [Sarah Klemuk et al.,  Adapted toRoar: Functional Morphology of Tiger and Lion Vocal Folds ]. When we say loud, we mean loud. Lion roars can travel over five miles, andreach up to 114 decibels, which is asloud as a jet airplane taking off. The researchers suggest that the fatis there to cushion the cords, and to provide tissue for repair if the cords get damaged.
The red outlines the highest or loudest part of the sound. The image shows the 3 seconds of the meadowlarkâs song. We see that between 1,744 and 6,000 Hz (the frequency) is the major part of the sound whereas at 2.2 seconds into the sample it dips lower, too. Consider a spectral analysis a voice print. Letâs let the same species be the judge. Elephants will judge elephants and lions will judge lions and so forth. If the judge where only those of the same species, then the winner would be the elephant. I would include a sound clip of the elephant, but humans cannot hear the sound they make, due to the low frequency.