These are ‘first of the season’ dates for a few of the animals that I see here.  The dates are listed with the earliest first.

First Cardinal spring song
earliest – 2/9/15,   2/17/20,   2/22/21,   2/23/19,   2/29/18,  3/3/22,  3/6/23

First Red-winged Blackbird
earliest – 3/6/17,   3/7/16,   3/8/23,   3/8/21,   3/8/20,   3/12/12,   3/13/22,   3/13/10,   3/14/18,   3/15/09,   3/17/19,  3/18/15,   3/19/06,   3/19/11,   3/27/14

First Bluebird
earliest – 2/11/23,   2/17/12,   2/23/20,   3/6/16,   3/7/18,   3/13/22,   3/13/15,  3/15/09,   3/16/11,   3/17/17,   3/20/21,   3/24/19,  3/25/14

First Butterfly
earliest –  3/14/10,   3/16/09,   3/17/18,    3/19/11,   3/20/22,   3/22/21,   3/25/23,   3/26/05,   3/27/20,   3/29/19,   4/1/15,   5/5/13

First Infant Moth
earliest –  3/9/21,   3/13/10,   3/16/09,   3/19/22,   3/20/17,   3/22/18,   3/24/23,   3/24/20,   3/24/03,   3/24/19,   4/2/11,   4/7/13

First Turkey Vulture
earliest – 3/8/16,   3/10/12,   3/21/21,   3/23/23,   3/23/19,  3/24/20,   3/25/17,   3/26/15,   3/27/22,   3/28/11,   3/29/09,   3/30/14,   3/30/18,   3/31/10,   4/1/13

First Wood Frog calling
earliest – 3/18/10,   3/22/16,   3/25/21,   3/28/17,   3/30/20,   3/31/14,   4/6/09,   4/7/11,   4/8/19,   4/9/23,    4/11/15,   4/15/22,   4/22/18

First Ruby-throated Hummingbird
earliest –  5/1/10,   5/3/12,   5/3/09,   5/5/15,   5/6/18,   5/7/14,   5/8/23,   5/8/20,   5/9/22,   5/9/13,   5/9/17,   5/10/21,   5/10/16,   5/10/19,  5/26/08

First Baltimore Oriole
earliest – 4/27/20,   4/30/11,   5/1/21,   5/2/18,   5/3/15,   5/4/22,   5/4/12,   5/4/19,   5/5/23,   5/5/16,   5/6/14,   5/7/10,   5/8/17,   5/9/13

First Monarch
earliest – 5/3/12,   5/21/21,   5/22/23,   5/22/17,   5/22/15,   5/22/09,   5/23/10,  5/24/18,  5/24/19,   5/25/14,   5/26/20,   5/26/16,   5/28/22
peak fall migration – 8/31/2019  (544),   9/5/2020  (517),   9/1/2018  (301),   8/30/2021 (242),  9/17/2022 (111),  9/15/2017  (39)
graph of daily counts during migration    cumulative yearly counts

First Giant Swallowtail
earliest – 5/3/12,   5/5/20,   5/23/23,   5/23/08,   5/26/21,   5/29/06,   5/30/18,   5/30/22,   5/30/14,   6/6/19,   8/10/09

First Golden Eagle
earliest – 9/25/16,   10/21/15,   11/7/09,   11/8/10,   11/10/19,   11/18/13,   11/27/12,   11/28/21,   11/29/14,   12/2/11,   12/4/17,  12/30/18,  1/5/21

First Dark-eyed Junco
earliest – 9/26/10,   9/26/22,   9/27/21,   9/28/12,   9/30/20,   9/30/11,   10/3/14,   10/5/17,   10/7/18,   10/8/15,   10/9/13,   10/10/16,  10/17/19